Seiko Cal. 6628 - 520

The Seiko 6628-520 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-7483134aa57e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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