Seiko Cal. 6663 - 541

Released in 1975, the Cal. 6663 with design code 541 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-811475bf68d3]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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