Seiko Cal. 7054 - 559

This Spring Drive model from 1978 features a 42mm Stainless Steel case. Powered by the 7054 caliber with 17j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-a04fedd56130]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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