Seiko Cal. 7139 - 513

The Seiko 7139-513 represents an important milestone in Seiko's 1974 lineup. Powered by the 7139 caliber with 33j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-9c5caa8cd0cb]

Also known as: Goldfeather, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1974

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