The FEIYASHI 40mm Sapphire Watch Case For NH34 NH35 NH36 is a premium component designed for horology enthusiasts and custom watch builders. Crafted from high-grade 316L stainless steel with a sleek black finish, this case provides a durable and stylish foundation for any custom build. It features a scratch-resistant sapphire crystal glass that ensures long-term clarity and protection for the dial. The case is specifically engineered to accommodate a 28.5mm dial and is compatible with several popular mechanical movements, including the NH34, NH35, NH36, 2824, and 8215.
A standout feature of the FEIYASHI 40mm Sapphire Watch Case For NH34 NH35 NH36 is its striking white ceramic bezel, which offers a sharp contrast against the black case for a modern aesthetic. This version is designed with a no-calendar configuration, providing a clean and symmetrical look for minimalist watch faces. To further enhance the build, the case includes a transparent glass bottom cover, allowing for a clear view of the internal mechanical movement in action. This exhibition back adds a level of sophistication usually found in luxury timepieces.
Functionality meets precision with the FEIYASHI 40mm Sapphire Watch Case For NH34 NH35 NH36, which includes essential assembly parts such as the crown, rubber seals, and spring bars. The case is rated for water resistance up to 100 meters, making it suitable for daily wear and aquatic activities. Whether you are assembling a GMT with an NH34 or a classic three-hand watch with an NH35 or NH36 movement, this versatile case kit offers the high-quality materials and precise fitment required for a professional-grade custom watch project.
FEATURES:
– 40mm case diameter
– Sapphire crystal glass
– White ceramic bezel
– Fits 28.5mm dials
– NH34 NH35 NH36 compatible
– Fits 2824 8215 movements
– Glass bottom cover
– No calendar window
– Black watch case
The FEIYASHI 40mm Sapphire Watch Case For NH34 NH35 NH36 is a high-quality component designed for watch enthusiasts and custom builders. Constructed from durable 316L stainless steel with a sleek black finish, this case features a striking white ceramic bezel insert that provides a sharp visual contrast. The assembly is equipped with a scratch-resistant sapphire crystal glass, ensuring long-term clarity and protection for your timepiece.
– Looks great
– Quality is good
– Feels durable
– Waterproof for daily use
– Well put together
– Good value for price
– Rotating bezel
– Fits NH35 movement well
– Solid and well-machined
– Fits NH38 perfectly
– No movement ring needed
– Raised numbers are very sharp
– Glass case back arrived cracked
– Crystal has no AR coating
– Stock crystal shows significant glare
The FEIYASHI 40mm watch case offers impressive build quality and a solid, well-machined feel that provides great value for the price, fitting movements like the NH35 and NH38 perfectly without needing a movement ring. While it earns praise for its durable construction, attractive aesthetics, and functional rotating bezel, users should be aware of some drawbacks including a crystal that lacks an anti-reflective coating and suffers from significant glare. Additionally, while the case is reliable for daily waterproof use, potential issues include the risk of the glass case back arriving cracked and notably sharp raised numbers on the bezel. Read more…
Black Dive Watch Mod Cases

Two black watch cases are shown in the image. They are positioned next to a white box. The cases feature a matte black finish. One case lies flat on the surface. It shows the internal circular chamber. The other case is propped up against the box. This case has a glass crystal and a magnifier lens. Both cases have rotating timing bezels. The bezels have raised numerical markings. Each case has thick lugs for a watch strap. A silver crown is visible on the side of the bottom case. The design resembles a classic diving watch style. The background is a plain light color. The lighting is soft and even.
Two diver style watch cases side by side

The image shows two watch cases sitting on a flat surface. Both cases have a black finish. They feature rotating diver style bezels. The case on the left has a silver and white bezel insert. It contains a clear crystal with a magnifying date window. This case is hollow and lacks a dial or movement. The case on the right has a gold colored bezel insert. It features a solid black dial inside. Both watches have ridged crowns on the right side. Silver spring bars are visible at the lugs of both cases. Two white boxes stand behind the watches. Each box has a small silver circular accent on the top. The lighting is bright and even across the scene.
Profile View of a Black Luxury Dive Watch

A close up side profile of a sleek black dive watch is shown. The watch case has a deep matte black finish. It features a prominent knurled rotating bezel with visible silver numbering. A large black winding crown sits centered on the side of the case. The watch crystal appears slightly domed and reflects a soft light. Thick lugs curve downward to meet the missing watch strap. The timepiece is leaning against a clean white rectangular box. A small portion of a gold toned base is visible at the bottom of the box. The background is a neutral light grey color. The lighting is bright and highlights the smooth metallic surfaces. This angle emphasizes the thickness and build quality of the watch.
Black Watch Case Components

Two matte black watch cases are displayed on a light surface. One case rests on a small white box. This case shows the interior through a clear crystal. A silver movement holder is visible in the center. The second case lies directly on the surface. This one shows a solid black screw-down case back. Both cases feature protective lugs and ridged crowns on the side. The finish is a smooth dark coating. The design resembles a diver style watch. These parts appear to be for custom watch building. Everything is clean and well-lit.
Search Results for Feiyashi Watch Cases

The image shows a Google search result page for watch cases. The search term refers to Feiyashi forty millimeter sapphire cases. These cases are compatible with various Seiko movements like the NH34 and NH35. The screen displays a grid of product photos from different websites. Some links lead to Amazon while others point to eBay and AliExpress. The cases come in several finishes including black and silver and gold. Some images show the cases with matching metal bracelets. Other photos feature cases with colorful bezel inserts like blue and red. Many listings highlight the sapphire crystal and water resistance features. The layout includes search filters at the top for specific movement models. Small product labels and prices are visible beneath the thumbnail images. The page represents a typical shopping experience for watch modification parts.
Search results for FEIYASHI 40mm Sapphire Watch Cases

The image shows a digital screenshot of Google search results for watch modification parts. The search query specifically targets 40mm sapphire watch cases compatible with NH34, NH35, and NH36 movements. Multiple product listings are visible from retailers like Amazon, eBay, AliExpress, and Walmart. The top row features several dive style cases with different bezel inserts and finishes. One listing shows a case with a blue and red bezel on a matching rubber strap. Another listing displays gold plated cases with solid case backs. The middle row includes a unique square shaped case with a blue GMT bezel. A transparent plastic watch case is also featured prominently in the center of the grid. Most of the cases are designed to mimic the aesthetic of famous luxury sports watches. Each thumbnail includes a small icon of the website where the item is for sale. The layout uses a standard image grid format common to search engines. Many of the listings highlight the brand name FEIYASHI in the titles or on the product packaging. The overall variety of colors and materials suggests a wide range of options for watch enthusiasts.
Search results for watch cases

A screenshot shows a Google search page for a watch case brand. The search query is for Feiyashi sapphire watch cases. Several sponsored products from AliExpress appear in a horizontal row. These items include stainless steel cases and glass rings. Each product has a price and a small discount tag. Below the products is a link to an Amazon search result. The layout is clean with various filter buttons at the top. The image displays watch parts compatible with specific movements like NH35 and NH34. The background of the page is white with blue and green text accents.
Google Shopping results for watch cases

This image shows a Google Shopping search results page. The search bar at the top displays a specific watch case model name. Various stainless steel watch cases are listed for sale in a grid layout. Most of the cases are designed for NH35 and NH34 watch movements. Prices for the items range from twenty dollars to over fifty dollars. Each product listing includes a thumbnail image and a price. Some items are labeled with discount percentages like seventy four percent off. Retailers like AliExpress and eBay are visible in the product details. A sidebar on the left allows users to filter results by store and color. The cases featured include different bezel styles like ceramic green and black. Several listings highlight the use of sapphire glass for the crystals. Some products also include a matching stainless steel bracelet strap. The overall interface is white with clear text and blue links.
Google Shopping results for watch cases

This image shows a Google Shopping search page. The search query is for FEIYASHI watch cases. Multiple product listings are visible on the screen. The cases are designed for NH34 and NH35 movements. Each listing includes an image and a price. Some items are marked with discount percentages. The prices range from approximately thirty to forty eight dollars. Stores like AliExpress and eBay are featured in the results. Many listings offer free delivery to the customer. A sidebar on the left shows various filter options. Users can refine results by condition and store. Color filters include gold and silver options. Price range filters are also available at the bottom. The top bar contains the Google Shopping logo and search field. The overall layout is clean and organized for online shopping.
YouTube search results for watch modification parts

The image shows a YouTube search page on a computer screen. The search bar at the top displays a query for sapphire watch cases. Two main video results are visible in the center. The first video is from the Miuksi Official Store. It features two silver watch cases with clear sapphire crystals. The second video is from a channel called MarketEase. This video showcases several black watch bezels with GMT markings. A sidebar on the left side lists common YouTube sections like Home and Shorts. A sign in prompt is located below the history tab. The explore section lists categories such as Shopping and Music. The overall layout is clean and organized for easy navigation. The video titles mention compatibility with NH34 and NH35 movements. View counts and upload dates are listed next to the channel names.

















