Seiko Cal. 6653 - 208

This Spring Drive model from 1971 features a 35mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-f08aab3db10e]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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