Seiko Cal. 6628 - 735

The Seiko 6628-735 represents an important milestone in Seiko's 1980 lineup. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-83e03b97172f]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1980

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