Seiko Cal. 7137 - 876

This Spring Drive model from 1984 features a 42mm Titanium case. Powered by the 7137 caliber with 20j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-61739058a32f]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1984

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