Seiko Cal. 5643 - 640

This Solar model from 1999 features a 34mm PVD Black case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-b8120db4fac2]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1999

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