Seiko Cal. 3887 - 457

The Seiko 3887-457 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-66019cb316c4]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1977

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