Seiko Cal. 4578 - 894

Seiko 4578-894

This Hand-Winding model from 1983 features a 46mm Hardlex-Coated Steel case. Powered by the 4578 caliber with 17j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-bb3bc04124cc]

Also known as: Monster, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Champagne
Jewels
17j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1983

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