Seiko Cal. 6628 - 429

The Seiko 6628-429 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-ab1d5fc01ebe]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

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