Polished Square Watch Case 42mm Rediomir Mod Parts 35mm Sandwich Dial+Hands Fit NH35 NH36 NH38 Miyota8215 821A 8205 ETA2824 PT5000 ST2130 Sapphire
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A premium, polished square watch case inspired by the classic cushion-shaped design of vintage Radiomir-style watches. This 42mm 316L stainless steel case offers exceptional versatility, engineered to be compatible with over a dozen popular automatic movements. Featuring a sapphire crystal, 200m water resistance, and a broad dial fitting range, it is the ultimate foundation for creating a sophisticated, custom-built dive or dress watch.
Specifications
Case & Construction
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Style: Radiomir-style (square cushion case with wire lugs)
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Material: 316L Stainless Steel (Polished Finish)
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Diameter: 42mm (case width)
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Thickness: 14mm (including crystal)
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Lug-to-Lug: 48mm (overall length)
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Lug Width: 22mm (standard strap compatibility)
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Crystal: Sapphire Crystal
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Water Resistance: 20 BAR / 200 Meters
Compatibility (Core Feature)
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Dial Opening: Fits 33.8mm - 35.4mm diameter dials
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Dial Thickness: Accommodates dials up to 0.7mm thick
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Movement Compatibility: Unusually broad, supports four major groups:
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Seiko NH Series: NH35, NH36, NH38, NH70, NH72 (also compatible with original 4R/7S movements)
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Asian & Miyota 3-Hand: Mingzhu/DG 2813/3804/8N24, Miyota 8215/8205/821A, Seagull ST1612
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Slim 3-Hand (ETA Clone): ETA 2824, PT5000, ST2130, ETA 2892, SW200
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Day-Date (ETA Clone): ETA 2836
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Key Features
Unmatched Movement Versatility: This case's design accommodates an extraordinary range of movements, from the affordable Miyota 8215 to high-end ETA 2892 clones. This allows builders maximum flexibility in choosing the movement based on budget, thickness, and function (date, no-date, skeleton).
Classic Radiomir Aesthetics: The polished square cushion case with removable wire lugs perfectly captures the elegant, vintage tool-watch look pioneered by historic dive watches.
Professional 200m Water Resistance: Built to serious dive watch standards, making it suitable for custom builds intended for swimming and water sports.
Precision Dial Fitting Range: The specified dial size range (33.8-35.4mm) is precise, ensuring builders can confidently select aftermarket dials for a perfect, gap-free fit.
Superior Sapphire Protection: The scratch-resistant sapphire crystal maintains clarity and provides a premium feel.
Who It's For
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Advanced watch modders building a high-end custom piece.
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Microbrands developing a versatile watch model with multiple movement options.
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Enthusiasts wanting to house a specific, prized movement in a classic case.
Note: Assembly requires specific tools and knowledge, especially for attaching wire lugs and setting hands. Ensure compatibility between your chosen movement, dial thickness, and hand height.
Watch Parts
