Seiko Cal. 6231 - 970

This Automatic model from 1987 features a 42mm PVD Black case. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-01de00a895a0]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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