Seiko Cal. 4550 - 131

Seiko 4550-131

This Automatic model from 1972 features a 38mm PVD Black case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-670050495711]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
29j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1972

Related Models

seikata-wm-670050495711