Seiko Cal. 5278 - 365

Seiko 5278-365

The 5278-365 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5278 caliber with 30j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-c8a35a80a755]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
10.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Cream
Jewels
30j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1965

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seikata-wm-c8a35a80a755