Seiko Cal. 6631 - 666

The Seiko 6631-666 represents an important milestone in Seiko's 1995 lineup. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-582ed6babc42]

Also known as: Turtle, Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1995

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