Seiko Cal. 6630 - 648

The Seiko 6630-648 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2fb51231345b]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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