Seiko Cal. 5698 - 137

Seiko 5698-137

This Automatic model from 1974 features a 40mm Titanium case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c56e575bdd80]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
20j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1974

Related Models

seikata-wm-c56e575bdd80