Seiko Cal. 6630 - 550

The Seiko 6630-550 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-04c55c1b0d70]

Also known as: Panda, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1988

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