Seiko Cal. 7078 - 340

Seiko 7078-340

The 7078-340 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7078 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-ccc6df42b1bc]

Also known as: Emperor

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1977

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