Seiko Cal. 6643 - 861

Seiko 6643-861

This Automatic model from 1971 features a 44mm Gold-Plated case. With its 20mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-63e46c0bbd75]

Also known as: Arnie, Flighty

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
10.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Cream
Jewels
32j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1971

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seikata-wm-63e46c0bbd75