Seiko Cal. 7111 - 178

The Seiko 7111-178 represents an important milestone in Seiko's 1975 lineup. Powered by the 7111 caliber with 23j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-0848f0998280]

Also known as: Monster, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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