Seiko Cal. 6689 - 131

This Solar model from 1977 features a 34mm Stainless Steel case. Powered by the 6689 caliber with 20j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-1ce45a74c7d8]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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