Seiko Cal. 6630 - 789

The Seiko 6630-789 represents an important milestone in Seiko's 1996 lineup. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-36f41d6d4a57]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1996

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