Seiko Cal. 4430 - 784

The Seiko 4430-784 represents an important milestone in Seiko's 1990 lineup. Powered by the 4430 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-4d495b92f487]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

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