Caliber Number: V157
Movement Type: Solar
Precision: ±15 seconds per month
Power reserve: Operating for approx. 10 months (when fully charged)
Jewels: 2
Functions

• Overcharge prevention function
• Quick-start function
• Date display

Case Material: Stainless steel
Case Size:

• Thickness: 10.7mm
• Diameter: 42.8mm
• Lug-to-lug: 49.2mm

Crystal: Sapphire crystal
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock , push button release with extender
Bracelet Length: 200.0
Distance between lugs: 20

Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 167.0
Features:

• Unidirectional rotating bezel
• Screw-down crown
• Three-fold clasp with secure lock
• Screw case back