Ref. SRPJ37K1
Movement: 4R36
The Seiko, reference SRPJ37K1, has a steel case with a green dial. Beneath the Hardlex crystal are the date, weekday and central seconds displays. Calibre 4R36 is a self-winding movement. The strap is textile. The case is water resistant to 100 metres.
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Last updated 24 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
CASE
Case Material
Steel
Water Resistance
100m
Crystal
Mineral Glass
MOVEMENT
Movement Type
Automatic
Caliber
4R36
Power Reserve
41h
Frequency
21,600 vph (3 Hz)
Jewels
24 jewels
DIAL
Dial Color
Green
BRACELET/STRAP
Bracelet/Strap
Textile
FEATURES & COMPLICATIONS
Central secondsDateWeekday
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