Seiko Cal. 6139 - 101

This Spring Drive model from 1983 features a 37mm Titanium case. Powered by the 6139 caliber with 33j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-d8c17b49f998]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1983

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