Seiko Cal. 4493 - 707

The Seiko 4493-707 represents an important milestone in Seiko's 1968 lineup. Powered by the 4493 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-fccda71cd2b2]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1968

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