Seiko Cal. 6140 - 571

This Hand-Winding model from 1986 features a 40mm PVD Black case. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-bd40a9eb7bca]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1986

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