Seiko Cal. 5638 - 822

The Seiko 5638-822 represents an important milestone in Seiko's 1974 lineup. Powered by the 5638 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-f5faa2f8294f]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1974

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