Seiko Cal. 4431 - 838

Seiko 4431-838

The 4431-838 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-131979464b14]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1967

Related Models

seikata-wm-131979464b14