Seiko Cal. 7028 - 928

The 7028-928 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-8b463a8ed327]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1990

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