Seiko Cal. 7140 - 783

The Seiko 7140-783 represents an important milestone in Seiko's 1986 lineup. Powered by the 7140 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-2133f5b5f427]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1986

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