Seiko Cal. 4450 - 728

Seiko 4450-728

The Seiko 4450-728 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-620cdc892e59]

Also known as: World Timer, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
46mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1973

Related Models

seikata-wm-620cdc892e59