Seiko Cal. 3877 - 112

Seiko 3877-112

This Spring Drive model from 1981 features a 34mm Two-Tone case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-755feaa90a13]

Also known as: Monster, Bullhead

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
34mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1981

Related Models

seikata-wm-755feaa90a13