Seiko Cal. 6143 - 987

This Hand-Winding model from 1989 features a 38mm Two-Tone case. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-6b0df351bd9f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1989

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