Seiko Cal. 5641 - 220

The Seiko 5641-220 represents an important milestone in Seiko's 1977 lineup. Powered by the 5641 caliber with 19j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-8eee3ededbe3]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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