Seiko Cal. 5618 - 583

This Quartz model from 1974 features a 39mm Two-Tone case. Powered by the 5618 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-7f7618d51525]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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