Caliber Number: V157
Movement Type: Solar
Accuracy: +-15 seconds per month
Duration: Operating for approx. 10 months (when fully charged)
Case Material: Stainless steel (hard coating) and plastic
Crystal: Hardlex
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: Lumibrite on hands and indexes
Band Material: Silicone
Water Resistance: 200m/660ft diver's
Case Size: thickness: 12.6㎜, diameter: 36.7㎜, length: 45.8㎜
Other Specifications: Screw case back, screw-down crown, unidirectional rotating bezel
Other Features: Date display, overcharge prevention function, quick-start function