Seiko Cal. 6690 - 347

Seiko 6690-347

This Automatic model from 1977 features a 37mm Titanium case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3b8ccdebae22]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
14.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Champagne
Jewels
33j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1977

Related Models

seikata-wm-3b8ccdebae22