Seiko Cal. 6640 - 286

Seiko 6640-286

This Hand-Winding model from 1992 features a 36mm Stainless Steel case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1d561665c916]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1992

Related Models

seikata-wm-1d561665c916