Seiko Cal. 7140 - 954

The Seiko 7140-954 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-df61d4674ecb]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1987

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