Seiko Cal. 5638 - 446

Released in 1967, the Cal. 5638 with design code 446 was part of Seiko's domestic market collection. Powered by the 5638 caliber with 35j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-1b23b6188f1f]

Also known as: Pogue, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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