Seiko Cal. 6631 - 972

Seiko 6631-972

This Quartz model from 1997 features a 35mm Hardlex-Coated Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-4a80db399fd7]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1997

Related Models

seikata-wm-4a80db399fd7