Seiko Cal. 5634 - 317

The 5634-317 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5634 caliber with 27j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9ba1c72e3e64]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1992

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