Seiko Prospex Save The Ocean 1965 Glacier 40.5 MM Automatic Watch SPB297J1

Caliber Number: 6R35

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power reserve: Approx. 70 hours

Jewels: 24

Stop second hand function: Date display

Case Material: Stainless steel (super hard coating)

Case Size

Thickness:13.2mm 

Diameter:40.5mm 

Lug-to-lug:47.6mm

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

SPECIAL EDITION on the case back

Screw case back

Unidirectional rotating bezel

Screw-down crown

Three-fold clasp with secure lock

Screw case back