Seiko Cal. 6137 - 457

This Quartz model from 1978 features a 41mm Hardlex-Coated Steel case. Powered by the 6137 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-1726252ab30f]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1978

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