Seiko Prospex Sea (SPB455J1)

Movement

Caliber Number

6R55

Movement Type

Automatic with manual winding

Precision

+25 to -15 seconds per day

Power reserve

Approx. 72 hours(3 days)

Jewels

24

Functions

• Stop second hand function

Case/Band

Case Material

Stainless steel

Case Size

Thickness:13.0mm
Diameter:40.0mm
Lug-to-lug:46.4mm

Crystal

Curved sapphire crystal

Crystal Coating

Anti-reflective coating on inner surface

LumiBrite

LumiBrite on hands, index(es) and bezel

Clasp

Three-fold clasp with secure lock , push button release with extender

Distance between lugs

20

Other Details

Water Resistance

300m / 1000ft diver’s

Magnetic Resistance

4,800 A/m

Weight

168.0

Features

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

• In an actual product, the case back direction might be different from the photograph.