Seiko Cal. 4493 - 439

The Seiko 4493-439 represents an important milestone in Seiko's 1975 lineup. Powered by the 4493 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-050264a87790]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1975

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