Seiko Cal. 5274 - 103

The Seiko 5274-103 represents an important milestone in Seiko's 1970 lineup. Powered by the 5274 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-737380bdd82e]

Also known as: Samurai, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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