Seiko Cal. 5691 - 146

The 5691-146 is a sought-after Solar piece from Seiko's golden era. Powered by the 5691 caliber with 27j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-f41d43eb8260]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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