Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.

MOVEMENT

Caliber: 6R35

Movement Type: Automatic with manual winding

Precision:  25 to -15 seconds per day

Power Reserve: Approx. 70 hours

Jewels: 24

Functions:

• Stop seconds hand function
• Date display

CASE/BAND

Material: Titanium(super-hard coating) with titanium bezel

Size: Thickness: 13.3mm, Diameter: 43.5mm, Lug-to-lug:51.0mm

Crystal: Sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

LumiBrite: LumiBrite on hands and index(es) 

Clasp: Three-fold clasp with push button release

Distance Between lugs: 22

OTHER DETAILS

Water Resistance: 200m / 660ft diver's

Features: 

• SPECIAL EDITION on the case back
• Unidirectional rotating bezel
• Screw case back

REF: SPB353