Seiko Cal. 7028 - 851

The Seiko 7028-851 represents an important milestone in Seiko's 1988 lineup. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-f840ae52cb1f]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1988

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