Seiko Cal. 6140 - 611

This Automatic model from 1974 features a 37mm PVD Black case. Powered by the 6140 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-ce447ebbebf7]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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