Seiko Cal. 4421 - 578

Seiko 4421-578

This Automatic model from 1994 features a 44mm Two-Tone case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a3bac939192e]

Also known as: Sumo, Arnie

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Silver
Jewels
36j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1994

Related Models

seikata-wm-a3bac939192e