Seiko Cal. 4523 - 712

This Solar model from 1974 features a 43mm PVD Black case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-27b34fc1aeb1]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1974

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