Seiko Cal. 7078 - 680

The 7078-680 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7078 caliber with 27j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-83781ee4f1af]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1999

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