Seiko Cal. 6631 - 824

The Seiko 6631-824 represents an important milestone in Seiko's 1969 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-23ecfc4072b8]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1969

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