Seiko Cal. 5643 - 384

The 5643-384 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5643 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5efb6023044f]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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