BNIB DEC 2023 SHAPE Round MATERIAL Stainless steel GLASS Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside CASE BACK Screw-down case back DIMENSION Ă˜ 41.00 mm LUG DISTANCE 21 mm THICKNESS 11.90 mm WATER RESISTANCE Water-resistant to 30 bar CASE SPECIFICITIES Screw-in crown, Unidirectional rotating bezel WEIGHT 195.1 g MOVEMENT DESCRIPTION Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve of approximately 72 hours