Seiko Cal. 6633 - 166

This Spring Drive model from 1996 features a 45mm Gold-Plated case. Powered by the 6633 caliber with 19j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-1ab9ad03329e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1996

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