Seiko Cal. 6631 - 326

Seiko 6631-326

This Automatic model from 1993 features a 40mm Stainless Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ac3860d72ca0]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1993

Related Models

seikata-wm-ac3860d72ca0