Seiko Cal. 0722 - 540

Seiko 0722-540

The 0722-540 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-281d7dcf403d]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1992

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