Seiko Cal. 7178 - 856

Seiko 7178-856

This Hand-Winding model from 1981 features a 42mm Titanium case. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-3bdd55f960e1]

Also known as: Samurai, Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
12.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1981

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