Seiko Cal. 3888 - 688

This Solar model from 1973 features a 41mm Gold-Plated case. Powered by the 3888 caliber with 27j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c76c05ec0246]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1973

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