Seiko Cal. 4420 - 989

Seiko 4420-989

This Spring Drive model from 1996 features a 46mm Two-Tone case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4315408ade06]

Also known as: Bullhead, Navigator

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Champagne
Jewels
26j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1996

Related Models

seikata-wm-4315408ade06