Seiko Cal. 3887 - 242

The Seiko 3887-242 represents an important milestone in Seiko's 1967 lineup. Powered by the 3887 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-fcba246dfcd2]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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