Seiko Cal. 7028 - 381

The 7028-381 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2d32df645ead]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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