Seiko Cal. 6631 - 881

The Seiko 6631-881 represents an important milestone in Seiko's 1976 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-1c969f160148]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

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