Seiko Cal. 4430 - 784

Seiko 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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