Seiko Cal. 3871 - 210

Seiko 3871-210

This Automatic model from 1969 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2c361ee2f32c]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1969

Related Models

seikata-wm-2c361ee2f32c