Seiko Cal. 6628 - 121

This Spring Drive model from 1972 features a 34mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-379406903c6c]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1972

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