Seiko Cal. 6643 - 523

The 6643-523 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-192ebdd8dd22]

Also known as: Turtle, Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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