Seiko Cal. 5691 - 825

This Spring Drive model from 1980 features a 37mm Titanium case. Powered by the 5691 caliber with 29j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-c93f52b60181]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1980

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