Seiko Prospex SNR031 LX Spring Drive Automatic Diver

Caliber Number
5R65

Movement Type
Spring Drive

Accuracy
±1 second per day / ±15 seconds per month (average)

Duration
Approx. 72 hours(3 days)

Exterior
Case Material
Titanium (super hard coating)

Crystal
Curved sapphire

Crystal Coating
Anti-reflective coating on inner surface

LumiBrite
Lumibrite on hands and indexs

Band Material
Silicone

Other Details
Water Resistance
300m / 1000ft for saturation diving

Case Size
Thickness: 15.7 ㎜
Diameter: 44.8 ㎜
Length: 50.9 ㎜
Other Specifications
Against an allergic reaction to metal
Screw case back
Screw-down crown
Unidirectional rotating bezel
Other Features
30 jewels
Date display
Power reserve display
Stop seconds hand function