Seiko Cal. 7112 - 578

The 7112-578 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7112 caliber with 22j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-3d09e4474177]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1987

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