Seiko Cal. 4478 - 988

Seiko 4478-988

This Hand-Winding model from 1981 features a 46mm Hardlex-Coated Steel case. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-c13fbd6f0017]

Also known as: Navigator

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
19j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1981

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