Seiko Cal. 0778 - 556

Seiko 0778-556

The Seiko 0778-556 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-f9deb1b8fadc]

Also known as: Tuna, Rally

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1985

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