Seiko Cal. 7054 - 642

The 7054-642 is a sought-after Solar piece from Seiko's golden era. Powered by the 7054 caliber with 20j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-ccd6afd100e2]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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