Seiko Cal. 6137 - 140

This Spring Drive model from 1986 features a 45mm Stainless Steel case. Powered by the 6137 caliber with 29j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-a743e5299f3e]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1986

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