Seiko Cal. 7147 - 634

The 7147-634 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7147 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-6da12f4b662e]

Also known as: World Timer, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1984

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