Seiko Cal. 5649 - 378

Seiko 5649-378

This Spring Drive model from 1976 features a 34mm Titanium case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b70b9c93bb92]

Also known as: Sumo, Arnie

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Cream
Jewels
17j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1976

Related Models

seikata-wm-b70b9c93bb92