Seiko Cal. 6140 - 945

The Seiko 6140-945 represents an important milestone in Seiko's 1987 lineup. Powered by the 6140 caliber with 27j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-dc0be6788f95]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1987

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