Seiko Cal. 3887 - 645

The Seiko 3887-645 represents an important milestone in Seiko's 1983 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-af0714679583]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1983

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