Seiko Cal. 5649 - 636

The 5649-636 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5649 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-21df178b846b]

Also known as: Shogun, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1968

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