Seiko Cal. 7178 - 687

Released in 1998, the Cal. 7178 with design code 687 was part of Seiko's domestic market collection. Powered by the 7178 caliber with 32j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-0b0572037b46]

Also known as: Emperor, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1998

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