Seiko Cal. 3887 - 889

The Seiko 3887-889 represents an important milestone in Seiko's 1976 lineup. Powered by the 3887 caliber with 35j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-d31a43be0a3f]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1976

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