Seiko Cal. 5641 - 435

The Seiko 5641-435 represents an important milestone in Seiko's 1972 lineup. Powered by the 5641 caliber with 19j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-f330debc2576]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

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