Seiko Cal. 3887 - 931

Seiko 3887-931

This Automatic model from 1977 features a 43mm Titanium case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-05237349343d]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
43mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
35j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1977

Related Models

seikata-wm-05237349343d