Seiko Cal. 4413 - 649

The Seiko 4413-649 represents an important milestone in Seiko's 1971 lineup. Powered by the 4413 caliber with 21j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-b78d142c7cde]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1971

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