Seiko Cal. 4421 - 207

Seiko 4421-207

This Spring Drive model from 1997 features a 37mm Two-Tone case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-326f616404ba]

Also known as: Rally, World Timer

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1997

Related Models

seikata-wm-326f616404ba