Seiko Cal. 6688 - 526

This Solar model from 1976 features a 36mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-af7988d437c7]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1976

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