Seiko Cal. 0740 - 721

Seiko 0740-721

The 0740-721 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-e1c5976716bb]

Also known as: Rally, Goldfeather

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
110m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1986

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