Seiko Cal. 3861 - 647

Seiko 3861-647

This Automatic model from 1970 features a 36mm PVD Black case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-c66a88d3fe44]

Also known as: Crown, Flighty

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
36mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Burgundy
Jewels
25j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1970

Related Models

seikata-wm-c66a88d3fe44