Seiko Cal. 6183 - 888

This Spring Drive model from 1968 features a 43mm Two-Tone case. Powered by the 6183 caliber with 25j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-2142aea0115d]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

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