Seiko Cal. 7180 - 840

This Hand-Winding model from 1976 features a 35mm Two-Tone case. Powered by the 7180 caliber with 29j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-d8c19b5b8bf7]

Also known as: Shogun, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

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