Seiko Cal. 6628 - 438

The Seiko 6628-438 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-d90cb6aff792]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1969

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