Seiko 5 Sports x Mechanical ft. Military Fieldwatch Men Casual Formal Round 100m Water Resistant Watch SRPJ89K1 SRPJ89 SRPJ-89 SRPJ-89K1
Caliber Number / Movement
4R36 (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 calfskin leather band
Water Resistance
100m / 10 bar
Case Size
Thickness: 12.5 mm
Diameter: 36.4 mm
Length: 44.4 mm
Other Specifications
Seiko 5 Sports x Mechanical ft. Military Fieldwatch
See-through back case
Screw case back
24 jewels
Day and date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)
smartwatch with sleep monitoring features-SRPJ89K1
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