Seiko Cal. 6631 - 471

Seiko 6631-471

This Automatic model from 1991 features a 44mm Hardlex-Coated Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-33ed24663211]

Also known as: Samurai, Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
29j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1991

Related Models

seikata-wm-33ed24663211