Seiko Cal. 6290 - 691

The Seiko 6290-691 represents an important milestone in Seiko's 1980 lineup. Powered by the 6290 caliber with 32j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-bc5caf9a0a5a]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1980

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