Seiko Prospex x Mechanical Marine Master ft. Professional Men Casual Formal Round Diver 300m Water Resistant Watch SLA021J1 SLA021 SLA-021 SLA-021J1

Caliber Number / Movement
8L35 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 50 hours ( 15 to -10 seconds per day)

Crystal
Sapphire crystal (anti-reflective coating)

LumiBrite
Lumibrite on hands, indexes and bezel

Case & Band Material
Stainless steel case, ceramic bezel insert with metal band (three-fold clasp with secure lock, push-button release with slide extender)

Water Resistance
300m / 1,000ft diver’s

Case Size
Thickness: 15.4 mm
Diameter: 44.3 mm
Length: 50.5 mm

Other Specifications
Seiko Prospex x Mechanical Marine Master ft. Professional
Made in Japan
Additional silicone strap inclusive
Unidirectional rotating bezel
One-piece structure
Screw-down crown
26 jewels
Date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)