Seiko Cal. 6628 - 763

The Seiko 6628-763 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5b2d263eb700]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1983

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