Seiko Cal. 7140 - 156

The 7140-156 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7140 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-b38185a49aa2]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1998

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