Seiko Cal. 3887 - 857

The Seiko 3887-857 represents an important milestone in Seiko's 1973 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-a8ff03cddabd]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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