Seiko Cal. 6628 - 635

The Seiko 6628-635 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d7032ca4eaf6]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1974

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