Seiko Cal. 5639 - 223

This Automatic model from 1985 features a 40mm Hardlex-Coated Steel case. Powered by the 5639 caliber with 24j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-79396012621b]

Also known as: Sumo, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1985

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