Seiko Cal. 7137 - 241

This Automatic model from 1978 features a 43mm Gold-Plated case. Powered by the 7137 caliber with 24j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-7ab618ca2012]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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