Seiko Cal. 7023 - 543

The 7023-543 is a sought-after Solar piece from Seiko's golden era. Powered by the 7023 caliber with 18j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-65116a09ac8c]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1987

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