Seiko Cal. 0728 - 586

Seiko 0728-586

The 0728-586 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0bff75314cc5]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1993

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