Seiko Cal. 5643 - 655

The 5643-655 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5643 caliber with 27j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-1efffd6a576b]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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