Seiko Cal. 3887 - 331

The Seiko 3887-331 represents an important milestone in Seiko's 1982 lineup. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-d25dfdf6fa1a]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1982

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