Diameter: 38mm (excluding the crown) Movement: Seiko NH35 automatic movement Thickness: 12mm Crystal: Sapphire, scratch-resistant with anti-reflective treatment Luminova: Yes Housing: 316L stainless steel Wrist size: 14.5cm to 22cm (adjustable) Lugs: 20mm Strap: 316L stainless steel (with butterfly-style safety clasp) Rear casing: Glass (movement exposed) Water resistance: 3 ATM
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