Seiko Cal. 4493 - 821

The Seiko 4493-821 represents an important milestone in Seiko's 1973 lineup. Powered by the 4493 caliber with 26j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-a80e52ff06ad]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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