Seiko Cal. 4586 - 637

Seiko 4586-637

The 4586-637 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4586 caliber with 36j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d638098afd45]

Also known as: Emperor

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
10.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1968

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