Seiko Cal. 6640 - 232

Seiko 6640-232

This Automatic model from 1987 features a 46mm Hardlex-Coated Steel case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fd2991ece259]

Also known as: Rally

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1987

Related Models

seikata-wm-fd2991ece259