Seiko Cal. 6137 - 491

This Automatic model from 1980 features a 41mm PVD Black case. With its 20mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-1f64b66e7042]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1980

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