Seiko Cal. 6628 - 631

The 6628-631 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-dd4c657ccb62]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1968

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