Seiko Cal. 0728 - 770

Seiko 0728-770

The 0728-770 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-7d8f4d866a66]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1973

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seikata-wm-7d8f4d866a66