Seiko Cal. 3881 - 637

Seiko 3881-637

This Automatic model from 1990 features a 34mm Gold-Plated case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b43bf8b0f967]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
15.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
32j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1990

Related Models

seikata-wm-b43bf8b0f967