Seiko Cal. 6630 - 254

Released in 1981, the Cal. 6630 with design code 254 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-980ce35bd65c]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1981

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