Seiko Cal. 5649 - 543

The Seiko 5649-543 represents an important milestone in Seiko's 1971 lineup. Powered by the 5649 caliber with 24j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-477ff34ded0d]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

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