Seiko Cal. 7137 - 375

This Automatic model from 1968 features a 41mm PVD Black case. Powered by the 7137 caliber with 19j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-787bff00b179]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1968

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