Seiko Cal. 7028 - 280

The 7028-280 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-0f8698ae8dfd]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

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