Seiko 5 Sports x Mechanical GMT ft. Fieldwatch Men Casual Formal Sports Round 100m Water Resistant Watch SSK025K1 SSK025 SSK-025 SSK-025K1

Caliber Number / Movement
4R34 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 41 hours ( 45 to -35 seconds per day)

Crystal
Hardlex crystal (curved)

LumiBrite
Lumibrite on hands and indexes

Case & Band Material
Stainless steel (hard coating) case with leather band

Water Resistance
100m / 10 bar

Case Size
Thickness: 13.6 mm
Diameter: 39.4 mm
Length: 47.9 mm

Other Specifications
Seiko 5 Sports x Mechanical GMT ft. Fieldwatch
See-through case back
Screw case back
24 jewels
Date and 24-hour (GMT) display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)