Seiko Cal. 5643 - 886

The 5643-886 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5643 caliber with 25j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-9fe4ea45b5b6]

Also known as: Bullhead, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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