Seiko Cal. 5691 - 839

This Spring Drive model from 1973 features a 38mm Hardlex-Coated Steel case. Powered by the 5691 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-ae433a199ea5]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1973

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