Seiko Cal. 5638 - 484

The Seiko 5638-484 represents an important milestone in Seiko's 1973 lineup. Powered by the 5638 caliber with 32j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-c3b89726c6bf]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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