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: 6R54

Movement Type: Automatic with manual winding

Precision:  25 to -15 seconds per day

Power Reserve: Approx. 72 hours(3 days)

Jewels: 24

Functions:

• 24-hour hand (dual time display function)
• Stop seconds hand function

  

CASE/BAND

Material: Stainless steel (Bezel: Stainless steel with ceramic display)

Size: Thickness: 12.9mm, Diameter: 42.0mm, Lug-to-lug:48.6mm

Crystal: 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: 20mm

 

OTHER DETAILS

Water Resistance: 200m / 660ft diver's

Magnetic Resistance: 4,800 A/m

Weight: 176.0g

Features: 

Unidirectional rotating bezel

Screw-down crown

Three-fold clasp with secure lock

Screw case back