Seiko Cal. 5617 - 657

The 5617-657 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5617 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-fc27140cd350]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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