Seiko Cal. 6640 - 337

Seiko 6640-337

This Kinetic model from 1966 features a 38mm Titanium case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2543c2833c61]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
38mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Champagne
Jewels
18j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1966

Related Models

seikata-wm-2543c2833c61