Seiko Cal. 5613 - 905

The 5613-905 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5613 caliber with 24j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-e0fc440512cd]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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