Seiko Cal. 5643 - 243

The Seiko 5643-243 represents an important milestone in Seiko's 1981 lineup. Powered by the 5643 caliber with 22j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-5b9fc1507ad5]

Also known as: Crown, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1981

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