Seiko Cal. 5617 - 811

This Hand-Winding model from 1973 features a 35mm Two-Tone case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b7f7ef627a71]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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