Seiko Cal. 7178 - 143

The 7178-143 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7178 caliber with 21j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-80919bd86a82]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1989

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