Seiko Cal. 7028 - 310

This Automatic model from 1977 features a 34mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-78e68bae1889]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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