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SRPF45

Seiko

SRPF45

Also sold as SRPF45J1Japan

In production All SRPF references →
Caliber
4R35
Case diameter
41.7mm
Water resistance
Splash resistant
Power reserve
41h

Seiko SRPF45: caliber 4R35, 41.7 mm case, Splash resistant water resistance.

Where to buy

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Specifications

Specifications from Seiko, Creation Watches, last seen 2026-09-21.

Movement

Caliber
4R35 All 4R35 watches →
Movement
Automatic
Power reserve
41h
Jewels
23

Case & crystal

Case material
Stainless steel
Case diameter
41.7mm
Case thickness
11.7mm
Lug to lug
48.5mm
Lug width
20mm
Crystal
Dual-curved sapphire crystal

Resistance

Water resistance
Splash resistant

Catalogue

Family
SRPF
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SRPF45J1 J1 Japan Stainless steel Three-fold clasp with push button release 127g

More Seiko SRPF references