Seiko Cal. 6628 - 921

The Seiko 6628-921 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-346b97742079]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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