Seiko Cal. 7078 - 680

Seiko 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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