Seiko Cal. 5643 - 703

The 5643-703 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5643 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-8b365eed8ced]

Also known as: Pogue, Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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