Seiko Cal. 6643 - 526

This Solar model from 1978 features a 37mm Two-Tone case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-217501444d2c]

Also known as: Rally, Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

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