Seiko Cal. 4421 - 173

Seiko 4421-173

This Automatic model from 1969 features a 38mm PVD Black case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-98540a4c5dce]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1969

Related Models

seikata-wm-98540a4c5dce