The Seiko 5 Sports SRPD81K1 debuted in 2019. It contains the self-winding 4R36 movement within a case measuring 42.5mm in diameter and 13.4mm in height.
Movement Type
Automatic
Caliber
4R36Jewels
24
Reserve
41
Frequency
21600
Hands
Center Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Stainless Steel
Glass
Hardlex
Thickness
13.40 mm
Diameter
42.50 mm
Water Resistance
100.00 m
Dial Color
Black
Material
NATO