Seiko Cal. 6331 - 879

The Seiko 6331-879 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-5d0b572bf513]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1986

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