Seiko Cal. 4578 - 393

Seiko 4578-393

The 4578-393 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4578 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-63bb5f45f1cc]

Also known as: Tuna, Rally

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Silver
Jewels
36j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1980

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