Seiko Cal. 7130 - 281

The Seiko 7130-281 represents an important milestone in Seiko's 1975 lineup. Powered by the 7130 caliber with 22j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-6b249e543cc2]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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