Seiko Cal. 6140 - 488

This Quartz model from 1979 features a 39mm Two-Tone case. Powered by the 6140 caliber with 28j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-9a10553175b9]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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