Seiko Cal. 3865 - 639

Seiko 3865-639

This Hand-Winding model from 1970 features a 35mm Titanium case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-13ecdfa5ff35]

Also known as: Shogun

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1970

Related Models

seikata-wm-13ecdfa5ff35