Seiko Cal. 5644 - 535

The Seiko 5644-535 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-09e19300f644]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1983

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