Seiko Cal. 6323 - 680

This Solar model from 1970 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-51db13be5258]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1970

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