Seiko Cal. 6688 - 237

This Solar model from 1975 features a 39mm Hardlex-Coated Steel case. Powered by the 6688 caliber with 30j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-831ad3ffab74]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1975

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