Seiko Cal. 5641 - 272

The Seiko 5641-272 represents an important milestone in Seiko's 1968 lineup. Powered by the 5641 caliber with 35j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-dae0f480cae6]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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