Seiko Cal. 5643 - 966

The 5643-966 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5643 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-1ba1ff75b7b1]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1966

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