Seiko Cal. 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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