Bidirectional rotating bezel Watch Case 40.5MM Submariner / GMT Yacht sapphire glass two-way rotating for NH34/NH35/NH36 38
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Build the ultimate GMT or diver with this 40.5mm bidirectional rotating bezel watch case – featuring a versatile two-way bezel design ideal for GMT, Yacht-Master, and Submariner-style builds. Crafted from high-quality 316L stainless steel with a sapphire crystal, this case offers exceptional durability and scratch resistance. Designed for NH34, NH35, NH36, and NH38 movements, it fits standard Submariner bezel inserts (38mm × 30.6mm) for easy customization. With a 20mm lug width, 48mm lug-to-lug length, 13.5mm thickness, and 10ATM water resistance, this case is built for reliable everyday wear and water activities – the perfect foundation for versatile custom builds.
Full Spec List:
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Case Diameter: 40.5mm
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Case Thickness: 13.5mm
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Lug Width: 20mm
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Lug to Lug: 48mm
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Case Material: 316L stainless steel
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Glass: Sapphire crystal
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Bezel Type: Bidirectional rotating bezel (two-way)
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Bezel Insert Size: 38mm × 30.6mm (standard Submariner fit)
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Compatible Movements: NH34 / NH35 / NH36 / NH38
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Water Resistance: 10ATM (100 meters)
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Style: Submariner / GMT / Yacht-Master inspired
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Application: Custom builds, modding, GMT/diver projects
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Features: Bidirectional bezel for GMT function, standard insert compatibility













































































































































