Seiko Cal. 6628 - 999

The Seiko 6628-999 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-6ae628c23271]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1983

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