Seiko Cal. 5643 - 124

This Spring Drive model from 1985 features a 35mm Hardlex-Coated Steel case. Powered by the 5643 caliber with 26j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-3973cfe841df]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

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