Seiko Cal. 5642 - 313

This Solar model from 1990 features a 44mm PVD Black case. Powered by the 5642 caliber with 17j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-2eb1f5177023]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1990

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