Seiko Cal. 6630 - 726

The Seiko 6630-726 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-f401e4b48ae9]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1985

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