Seiko Cal. 4478 - 978

Seiko 4478-978

This Automatic model from 1993 features a 46mm Hardlex-Coated Steel case. Powered by the 4478 caliber with 34j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-e747f8e27069]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1993

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seikata-wm-e747f8e27069