Seiko Cal. 5641 - 121

The 5641-121 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5641 caliber with 33j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-44ae8eab992c]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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