Seiko Cal. 5681 - 401

Seiko 5681-401

This Hand-Winding model from 1967 features a 37mm Gold-Plated case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e99969d14d44]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
100m
Dial Color
Cream
Jewels
29j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1967

Related Models

seikata-wm-e99969d14d44