Seiko Cal. 0740 - 579

Seiko 0740-579

The 0740-579 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-f88fe499268d]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Navy
Jewels
34j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1990

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