Seiko Cal. 7178 - 723

The 7178-723 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7178 caliber with 21j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-963e38c72fc2]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

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