Seiko Cal. 7178 - 856

This Hand-Winding model from 1972 features a 44mm PVD Black case. Powered by the 7178 caliber with 26j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-7b0f00b99147]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1972

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