Caliber Number: V157
Movement Type: Solar
Accuracy: ±15 seconds per month
Duration: Operating for approx. 10 months (when fully charged)
 
Exterior
Case Material: Stainless steel(hard coating) and plastic
Crystal: Hardlex
LumiBrite: Lumibrite on hands and indexes
Band Material: Silicone
 
Other Details
Water Resistance: 200m / 660ft diver's
 
Case Size
Thickness: 12.6㎜
Diameter: 46.7㎜
Length: 45.8㎜ 
 
Other Specifications
	
Screw case back
	
Screw-down crown
	
Unidirectional rotating bezel
 
Other Features
	
Date display
	
Overcharge prevention function
	
Quick-start function