Seiko Cal. 5666 - 123

Seiko 5666-123

This Hand-Winding model from 1978 features a 37mm PVD Black case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c775c962bf14]

Also known as: Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Burgundy
Jewels
23j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1978

Related Models

seikata-wm-c775c962bf14