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Seiko

SRP311

Also sold as SRP311J1Japan SRP311K1International

Availability unknown All SRP references →
Case diameter
45mm
Water resistance
200 m
Crystal
Hardlex crystal

Seiko SRP311: 45 mm case, 200 m water resistance.

Where to buy

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Specifications

Specifications from Creation Watches, last seen 2026-09-22.

Movement

Movement
Automatic

Case & crystal

Case material
Stainless steel
Case diameter
45mm
Case thickness
12mm
Lug width
23mm
Crystal
Hardlex crystal

Resistance

Water resistance
200 m

Catalogue

Family
SRP
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SRP311J1 J1 Japan Stainless steel Three-fold clasp —
SRP311K1 K1 International Stainless steel Fold over clasp —

More Seiko SRP references