Caliber 4R34 Automatic Movement: Automatic with manual winding, ≈41 hr power reserve, 24 jewels, stop-second & 24-hour dual-time hand Stainless-Steel Case: 39.4 mm diameter × 13.6 mm thickness, 47.9 mm lug-to-lug, 20 mm lug width Crystal & Lume: Curved Hardlex; LumiBrite on hands & indices Water & Magnetic Resistance: 10 bar (100 m); resists 4,800 A/m Bracelet & Clasp: Three-fold clasp with secure lock Case Back: See-through screw-down Weight: 147 g
