Seiko Cal. 6643 - 101

The 6643-101 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-57a170b5cbc5]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1992

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