Seiko Cal. 4490 - 156

Seiko 4490-156

The 4490-156 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4490 caliber with 29j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-2817089c2284]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
29j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1988

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seikata-wm-2817089c2284