Seiko Cal. 5648 - 413

The Seiko 5648-413 represents an important milestone in Seiko's 1973 lineup. Powered by the 5648 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-5248ca168c27]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1973

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