Seiko Cal. 6140 - 186

The Seiko 6140-186 represents an important milestone in Seiko's 1972 lineup. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-bf78e2b1e841]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1972

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