Seiko Cal. 4490 - 793

The Seiko 4490-793 represents an important milestone in Seiko's 1975 lineup. Powered by the 4490 caliber with 30j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-3e22164570c8]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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