Seiko Cal. 3898 - 287

The Seiko 3898-287 represents an important milestone in Seiko's 1972 lineup. Powered by the 3898 caliber with 29j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-a468c2c3c14a]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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