smartwatch with menstrual cycle tracking-SSK009J1

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Seiko Presage x Mechanical GMT ft. Style 60s Men Casual Formal Round 50m Water Resistant Watch SSK009J1 SSK009 SSK-009 SSK-009J1

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 case with metal band (three-fold clasp with push-button release)

Water Resistance
50m / 5 bar

Case Size
Thickness: 13.0 mm
Diameter: 40.8 mm
Length: 47.0 mm

Other Specifications
Seiko Presage x Mechanical GMT ft. Style '60s
Made in Japan
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)