Seiko Cal. 5261 - 322

This Spring Drive model from 1975 features a 37mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-d84f84e2c1c8]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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