Seiko Cal. 6631 - 808

The Seiko 6631-808 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-150a38d7688f]

Also known as: Pogue, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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