41Mm Seamaster 300 case for NH35/36 ETA2824 PT5000 Miyota 8215 Solid Back 10ATM Sapphire
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Build your custom Seamaster 300 case with this 41mm stainless steel diver case. Crafted from 316L stainless steel, it features a sapphire crystal, solid caseback, and 10ATM water resistance. The 41mm case, 14mm thickness, 20mm lug width, and 48mm lug-to-lug length deliver a balanced dive-watch profile. Compatible with NH34, NH35, NH36, ETA2824/2836, PT5000, and Miyota 8215 movements, and fits 29.7mm–31.3mm dials. A reliable foundation for custom builds and modding projects.
Full Spec List:
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Product: Seamaster 300 case
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Case Material: 316L stainless steel
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Case Diameter: 41mm
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Case Thickness: 14mm
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Lug Width: 20mm
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Lug to Lug: 48mm
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Glass: Sapphire crystal
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Caseback: Solid back
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Water Resistance: 10ATM (100 meters)
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Compatible Movements: NH34 / NH35 / NH36 / ETA2824 / ETA2836 / PT5000 / Miyota 8215
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Dial Fit: 29.7mm – 31.3mm
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Style: Seamaster 300-inspired diver
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Application: Custom builds, modding, dive watches
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