Seiko Cal. 6610 - 661

Seiko 6610-661

This Quartz model from 1974 features a 39mm Hardlex-Coated Steel case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-448cf6a5cd46]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Champagne
Jewels
32j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1974

Related Models

seikata-wm-448cf6a5cd46