Seiko Cal. 5639 - 223

Seiko 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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seikata-wm-79396012621b