Seiko Cal. 6633 - 656

Released in 1967, the Cal. 6633 with design code 656 was part of Seiko's domestic market collection. Powered by the 6633 caliber with 27j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-3aaa5905f79c]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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