Seiko Cal. 6631 - 587

The 6631-587 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-25f0e32bb8ef]

Also known as: Turtle, Pogue

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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