Seiko Cal. 6639 - 573

The Seiko 6639-573 represents an important milestone in Seiko's 1993 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-436b427326a2]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1993

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