Seiko Cal. 6228 - 746

The Seiko 6228-746 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-541990dee432]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

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