Seiko Cal. 7028 - 551

This Automatic model from 1991 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-49c5707a2eff]

Also known as: Bullhead, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1991

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