Seiko Cal. 6628 - 501

The Seiko 6628-501 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-78e4ab231eb9]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1969

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