Seiko Cal. 4420 - 255

Seiko 4420-255

This Hand-Winding model from 1970 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-93797543572e]

Also known as: Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1970

Related Models

seikata-wm-93797543572e