Seiko Cal. 6667 - 643

Seiko 6667-643

This Automatic model from 1973 features a 46mm Gold-Plated case. Powered by the 6667 caliber with 20j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-138eb5adaafd]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
13.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1973

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