Seiko Cal. 5643 - 770

The 5643-770 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5643 caliber with 33j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-4e8240df6739]

Also known as: Shogun, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1977

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