Seiko Cal. 5649 - 640

This Spring Drive model from 1976 features a 41mm Two-Tone case. Powered by the 5649 caliber with 33j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-080386b77deb]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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