Seiko Cal. 5643 - 606

The 5643-606 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5643 caliber with 22j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-16c44bee4681]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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