Vanguard Case. Stainless Steel. Hand polished. Water resistant up to 30 meters. Width: 41 mm x Length: 49.95 mm x Thickness: 12.2 mm. Black inserts on both sides of the case. Sapphire crystal Hours, Minutes Winding shaft with 2 positions: 1.Winding. 2.Time setting MVT FM 2250-V. Self-winding movement with bidirectional rotor system. Power reserve of 60 hours. 230 Components. 39 Jewels Diameter:. 28.20 mm. Thickness: 2.60 mm. Balance wheel frequency set at 18,000 alternations per hour Engraving of the bridges and the plate. Cotes de Geneve of the bridges. Mirror-polishing of the sinks. Diamond-polishing of the rubies’ recess and the bridges. ”Soleillage” of the bridges and the barrel’s cover. Circular-graining of the wheels. Circular-graining of the plate Hand sewn alligator strap Stainless Steel folding buckle. Hand polished Brushed finish. Applique numerals meticulous