Seiko Cal. 6663 - 763

The 6663-763 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-e441ded58777]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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