Seiko Prospex Sea The Black Series (SRPK43)

Movement

Caliber Number

4R36

Movement Type

Automatic with manual winding

Power reserve

Approx. 41 hours

Jewels

24

Functions

• Stop second hand function
• Day/Date display

Case/Band

Case Material

Stainless steel (Bezel: Stainless steel with ceramic display)

Case Size

Thickness:13.2mm
Diameter:45.0mm
Lug-to-lug:47.7mm

Crystal

Sapphire crystal with magnifier

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

22

Other Details

Water Resistance

200m / 660ft diver's

Weight

198.0

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.