Seiko Premier x Kinetic Auto Relay ft. Perpetual Calendar Men Casual Formal Round 100m Water Resistant Watch SNP135P1 SNP135 SNP-135 SNP-135P1

Caliber Number / Movement
7D48 (kinetic)

Power Reserve / Accuracy
Approximately 4 years when fully charged ( /-15 seconds per month)

Crystal
Sapphire crystal

LumiBrite
Nil

Case & Band Material
Stainless steel case with metal band (three-fold clasp with push-button release)

Water Resistance
100m / 10 bar

Case Size
Thickness: 12.7 mm
Diameter: 41.6 mm
Length: 51.8 mm

Other Specifications
Seiko Premier x Kinetic Auto Relay ft. Perpetual Calendar
Screw case back
Perpetual calendar (to year 2099)
Date, month, leap year and 24-hour display
Energy depletion forewarning function
Time-relay function (hands will indicate correct time after several swings of the watch)
Power saving function (hands stop to save power when untouched for approximately 24 hours)
Regular timekeeping (analog display)