Seiko Cal. 6140 - 157

This Quartz model from 1974 features a 39mm Stainless Steel case. Powered by the 6140 caliber with 34j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-d7faf7c17ae5]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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