Seiko Cal. 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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