Seiko Cal. 0728 - 189

Seiko 0728-189

The 0728-189 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-75c2c8d7332f]

Also known as: Rally, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
White
Jewels
19j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1978

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