Seiko Cal. 5639 - 940

This Solar model from 1994 features a 39mm PVD Black case. Powered by the 5639 caliber with 36j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-bb81980b09ef]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1994

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