CASE Size : 40 x 40 mm Opening Dial : 31 mm Thickness : 11,70 mm Italian tortoise shell Acetate: handmade polished finish Lugs / Pushers / Bezel / Crown / screw-down Back: polished 316L stainless steel Crown with embossed BRISTON blazon & black rubber rings (pushers) Domed mineral crystal - 2.3 mm thickness Water resistance to:100m/10 ATM MOVEMENT Quartz Citizen caliber: Miyota OS21 Functions: Chronograph 2 counters 60 minutes counter positioned at 9 o'clock 24 Hours / AM-PM counter positioned at 3 o'clock Date window positioned at 6 o'clock DIAL Upper plate: light blue with a "sunray" finishing Under plate: silver white Stamped hourmarkers & Arabic numerals HANDS Rhodium-plated "baton" Hour & Minutes hands & with white Superluminova® inserts White-coated central & counters hands STRAP Sold with the interchangeable light blue genuine stitched NATO nylon strap: water resistant & washable Length: 280 mm / width: 20 mmBriston