Seiko Cal. 5649 - 435

The Seiko 5649-435 represents an important milestone in Seiko's 1979 lineup. Powered by the 5649 caliber with 26j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-ac55c75a3d98]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1979

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