Seiko Cal. 7028 - 220

The 7028-220 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-e8ba8eae4bcd]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1985

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