Seiko Cal. 6651 - 937

Seiko 6651-937

This Quartz model from 1972 features a 40mm Hardlex-Coated Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-28f4267d662e]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1972

Related Models

seikata-wm-28f4267d662e