Caliber Number: V157
Movement Type: Solar
Accuracy: +-15 seconds per month
Duration: Operating for approx. 10 months (when fully charged)
Case Material: Stainless steel and plastic
Crystal: Hardlex
Lumibrite: Lumibrite on hands and indexes
Clasp: Three-fold clasp with secure lock
Band Material: Silicone
Water Resistance: 200m/660ft diver's
Case Size: thickness: 12.4㎜, diameter: 46.7㎜
Other Specifications: Screw case back, screw-down crown, unidirectional rotating bezel
Other Features: Date display, Overcharge prevention function, quick-start function