Seiko Cal. 6668 - 931

Seiko 6668-931

This Automatic model from 1968 features a 44mm Hardlex-Coated Steel case. Powered by the 6668 caliber with 32j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-be6feb90a69b]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
White
Jewels
32j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1968

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