Seiko Cal. 5631 - 275

This Solar model from 1967 features a 34mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-96ea6ef55fdb]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1967

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