Seiko Cal. 7140 - 178

Seiko 7140-178

This Solar model from 1966 features a 43mm Gold-Plated case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-c6ac5c25bb85]

Also known as: Monster, Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
20j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1966

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