Seiko Cal. 4478 - 645

Seiko 4478-645

This Hand-Winding model from 1990 features a 36mm Hardlex-Coated Steel case. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-b750ff5b4d6d]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1990

Related Models

seikata-wm-b750ff5b4d6d