Seiko Cal. 5638 - 147

The 5638-147 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5638 caliber with 28j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-62d88ed58bf5]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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