Seiko Cal. 3812 - 397

Seiko 3812-397

This Spring Drive model from 1976 features a 36mm Hardlex-Coated Steel case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-215f85971283]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Green
Jewels
17j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1976

Related Models

seikata-wm-215f85971283