Seiko Cal. 5634 - 559

The 5634-559 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5634 caliber with 20j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-63ad1e2f0572]

Also known as: Helmet, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1993

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