Seiko Cal. 6633 - 931

The Seiko 6633-931 represents an important milestone in Seiko's 1990 lineup. Powered by the 6633 caliber with 24j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-06d985985ca7]

Also known as: Goldfeather, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1990

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