Seiko Cal. 4478 - 528

Seiko 4478-528

This Automatic model from 1966 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-339fbc584a9d]

Also known as: Helmet, Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Cream
Jewels
25j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1966

Related Models

seikata-wm-339fbc584a9d