Seiko Cal. 0728 - 583

Seiko 0728-583

The 0728-583 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-070a6e40efdd]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1971

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