Seiko Cal. 4578 - 365

Seiko 4578-365

The 4578-365 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4578 caliber with 34j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-73d6f4293293]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1994

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seikata-wm-73d6f4293293