Seiko Cal. 4420 - 160

Seiko 4420-160

This Spring Drive model from 1969 features a 38mm Gold-Plated case. Powered by the 4420 caliber with 23j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-eef5134b49f5]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1969

Related Models

seikata-wm-eef5134b49f5