Seiko Cal. 3891 - 921

Seiko 3891-921

This Automatic model from 1981 features a 43mm Two-Tone case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ab5f1b398d3a]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
11.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
27j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1981

Related Models

seikata-wm-ab5f1b398d3a