Seiko Cal. 5691 - 121

This Solar model from 1983 features a 40mm Stainless Steel case. Powered by the 5691 caliber with 25j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-663dd1f2e3ed]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1983

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