Seiko Cal. 6171 - 690

This Automatic model from 1978 features a 39mm PVD Black case. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-4205cbd8b8b5]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1978

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