Seiko Cal. 6642 - 543

The Seiko 6642-543 represents an important milestone in Seiko's 1993 lineup. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-96083bcaa40d]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1993

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