Seiko Cal. 4447 - 437

Seiko 4447-437

This Spring Drive model from 1999 features a 46mm Two-Tone case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4a2764f0253d]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1999

Related Models

seikata-wm-4a2764f0253d