Seiko Cal. 5278 - 321

Seiko 5278-321

This Solar model from 1974 features a 45mm Titanium case. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-a018dddb53c1]

Also known as: Tuna, Arnie

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1974

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