Seiko Cal. 7139 - 272

The Seiko 7139-272 represents an important milestone in Seiko's 1976 lineup. Powered by the 7139 caliber with 17j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-d91974e64faf]

Also known as: Samurai, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

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