Seiko Cal. 3865 - 547

Seiko 3865-547

This Automatic model from 1980 features a 40mm Titanium case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-51f439e802f3]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
11.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1980

Related Models

seikata-wm-51f439e802f3