Seiko Cal. 6143 - 287

This Automatic model from 1977 features a 37mm Two-Tone case. Powered by the 6143 caliber with 21j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-7cda1d100171]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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