Seiko Cal. 5641 - 559

The 5641-559 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5641 caliber with 20j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ca4d2cb709c9]

Also known as: Samurai, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1983

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