Seiko Cal. 7140 - 784

This Hand-Winding model from 1974 features a 42mm Stainless Steel case. Powered by the 7140 caliber with 18j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-a1c822b4e7dd]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1974

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