CASE Size : 40 x 40 mm Opening Dial : 31 mm Thickness : 11,70 mm Italian grey tortoise shell Acetate: handmade matt finish Lugs / Bezel / Crown / screw-down Back: sandblasted 316L stainless steel with black PVD treatment Crown with embossed BRISTON blazon & black rubber rings Domed mineral crystal - 2.3 mm thickness Water resistance to: 100m/10 ATM MOVEMENT Quartz Citizen caliber: Miyota 2315 Functions: Hours Minutes Seconds & Date Date window positioned at 3 o'clock DIAL Upper plate: matte black Under plate: silver white Stamped hour markers & Arabic numerals HANDS Matte black-coated "baton" Hour & Minutes hands & with white inserts Matte white central hand STRAP Interchangeable grey with black PVD stitched NATO nylon strap: water resistant & washable Matte brushed 316L stainless steel with black PVD treatment pin buckle & Loops Special NATO strap with moveable loop Length: 245 mm / width: 20 mmBriston