Seiko Cal. 6628 - 427

The 6628-427 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-027ef76376fa]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1972

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