Seiko Cal. 6688 - 191

This Solar model from 1968 features a 36mm PVD Black case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b6fac80652ef]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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