Seiko Cal. 7180 - 856

The 7180-856 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7180 caliber with 34j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-11b7175e11ac]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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