Seiko Cal. 7023 - 503

The 7023-503 is a sought-after Solar piece from Seiko's golden era. Powered by the 7023 caliber with 23j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-f8c5f590379f]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1981

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