Seiko Cal. 4490 - 712

Seiko 4490-712

The Seiko 4490-712 represents an important milestone in Seiko's 1984 lineup. Powered by the 4490 caliber with 33j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-dd14ab33e35c]

Also known as: Turtle, Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
33j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1984

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