Seiko Cal. 7137 - 629

This Quartz model from 1976 features a 44mm PVD Black case. Powered by the 7137 caliber with 34j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-5f4e6f3f44fd]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

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