Seiko Cal. 6331 - 808

The Seiko 6331-808 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-0de6f24fe4c8]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1981

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