Seiko Cal. 3865 - 977

Seiko 3865-977

This Automatic model from 1977 features a 36mm Hardlex-Coated Steel case. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-2e9987601358]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1977

Related Models

seikata-wm-2e9987601358