Seiko Cal. 7178 - 550

The 7178-550 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-774499d8b755]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1991

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