Seiko Cal. 6628 - 440

The Seiko 6628-440 represents an important milestone in Seiko's 1989 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-aff16efb050a]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1989

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