EFB-680D-2B

Battery Life / Accuracy
Approximately 3 years (+/-20 seconds per month)

Crystal
Sapphire crystal (anti-reflective coating)

Luminous
Luminous on hands and indexes

Case & Band Material
Stainless steel case with metal band (three-fold clasp with push-button release)

Water Resistance
100m

Case Size
Thickness: 10.5 mm
Diameter: 45.8 mm
Length: 48.0 mm

Other Specifications
Screw case back
1/10-second stopwatch
Regular timekeeping (analog display)
Date display