Seiko Cal. 6646 - 872

Seiko 6646-872

This Hand-Winding model from 1975 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-84106a1753aa]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Green
Jewels
19j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1975

Related Models

seikata-wm-84106a1753aa