Seiko Cal. 3881 - 511

The Seiko 3881-511 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-587c77324077]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1985

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