Seiko Cal. 6660 - 672

Seiko 6660-672

This Automatic model from 1971 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-d97c21dea5f8]

Also known as: Bellmatic, Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1971

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