Seiko Cal. 6685 - 429

This Spring Drive model from 1974 features a 37mm Hardlex-Coated Steel case. Powered by the 6685 caliber with 35j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-0c1f28e7363b]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1974

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