Seiko Cal. 6643 - 294

This Hand-Winding model from 1983 features a 42mm Titanium case. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-d74a7a455d16]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1983

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