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SRPH75

Seiko

SRPH75 Save the Ocean Special Edition

Also sold as SRPH75J1Japan SRPH75K1International

In production All SRPH references →
Caliber
4R36
Case diameter
42.4mm
Water resistance
200 m diver's
Power reserve
41h

Seiko SRPH75: caliber 4R36, 42.4 mm case, 200 m diver's water resistance.

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Specifications

Specifications from Creation Watches, Seiko, last seen 2026-09-23.

Movement

Caliber
4R36 All 4R36 watches →
Movement
Automatic
Power reserve
41h
Jewels
24

Case & crystal

Case material
Stainless steel
Case diameter
42.4mm
Case thickness
13.4mm
Lug to lug
49.4mm
Lug width
20mm
Crystal
Hardlex with magnified glass

Resistance

Water resistance
200 m diver's

Catalogue

Family
SRPH
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SRPH75J1 J1 Japan Stainless steel Fold over clasp
SRPH75K1 K1 International Stainless steel Three-fold clasp with secure lock, push button release with extender 186g

More Seiko SRPH references