Seiko Cal. 4420 - 471

Seiko 4420-471

This Spring Drive model from 1982 features a 36mm Stainless Steel case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-3d6d4d809e03]

Also known as: Turtle, Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
8.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
30j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1982

Related Models

seikata-wm-3d6d4d809e03