Seiko Cal. 5261 - 938

The Seiko 5261-938 represents an important milestone in Seiko's 1965 lineup. Powered by the 5261 caliber with 33j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-a022e8c8e4e9]

Also known as: Helmet, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1965

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