Seiko Cal. 7078 - 391

This Hand-Winding model from 1970 features a 46mm PVD Black case. With its 22mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-b551f5c7f18b]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

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