Seiko Cal. 4423 - 185

Seiko 4423-185

This Spring Drive model from 1977 features a 38mm PVD Black case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f1dcb856f319]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
12.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1977

Related Models

seikata-wm-f1dcb856f319