Seiko Cal. 6688 - 682

This Solar model from 1974 features a 44mm Gold-Plated case. Powered by the 6688 caliber with 18j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-03ad1693121f]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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