Seiko Cal. 6660 - 443

Seiko 6660-443

This Spring Drive model from 1985 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-07347f3de8c6]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1985

Related Models

seikata-wm-07347f3de8c6