Seiko Cal. 5644 - 346

The 5644-346 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5644 caliber with 33j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-7c52df4d2bb3]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1967

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