Seiko Cal. 7139 - 866

Seiko 7139-866

This Hand-Winding model from 1972 features a 34mm Titanium case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-7fd85397f5df]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
10.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
33j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1972

Related Models

seikata-wm-7fd85397f5df