Seiko Cal. 5642 - 938

The 5642-938 is a sought-after Solar piece from Seiko's golden era. Powered by the 5642 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-0ac5d323319f]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1993

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