41mm Diver Watch Case BB58 Black Bay Sapphire Crystal Alloy Insert for NH34 NH35 NH36 NH70 NH72 ETA2824 PT5000 SW200 ST2130 MIYOTA 8215 8285 etc DG
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41mm Diver Watch Case BB58 Style – Sapphire Crystal, 10ATM, Multi-Movement Compatible
Description:
This 41mm diver watch case is inspired by the classic BB58 design, built for modders and custom watch projects. Crafted from 316L stainless steel with a durable alloy bezel insert, it supports a wide range of automatic movements. Featuring sapphire glass, a screw-down crown, and 10ATM water resistance, this case is ideal for reliable daily wear or professional watch mods. Custom logo service on the crown or caseback is available with an extra fee.
Specifications:
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Case Material: 316L stainless steel, alloy insert
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Case Diameter: 41mm (without crown)
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Case Thickness: 12.5mm
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Dial Fit: 30mm–31.2mm
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Strap Fit: 20mm width
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Glass: Sapphire crystal
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Crown: Screw-down crown
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Bezel: Unidirectional bezel ring
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Bezel Insert: Alloy, 39.5mm × 32mm
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Water Resistance: 10ATM
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Movement Compatibility:
NH34 / NH35 / NH36 / NH37 / NH38 / NH39 / NH70 / NH72
ETA 2824 / PT5000 / SW200 / ST2130
Miyota 8215 / 8205 / 821A
Mingzhu DG2813 / 3804
Service:
-
Custom Logo: Crown or caseback customization available (extra fee)
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