Seiko Cal. 6663 - 215

Released in 1976, the Cal. 6663 with design code 215 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-5603ad5dbbb8]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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