Seiko Cal. 4478 - 478

Seiko 4478-478

This Hand-Winding model from 1986 features a 42mm Stainless Steel case. Powered by the 4478 caliber with 20j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-4a695d915513]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1986

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seikata-wm-4a695d915513