Seiko Cal. 7021 - 771

Seiko 7021-771

The 7021-771 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-cb78d40e2255]

Also known as: Helmet, Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1983

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seikata-wm-cb78d40e2255