Seiko Cal. 4478 - 412

Seiko 4478-412

This Automatic model from 1981 features a 41mm Stainless Steel case. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-316a6350220e]

Also known as: Bullhead, Navigator

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1981

Related Models

seikata-wm-316a6350220e