Seiko Cal. 5284 - 742

Seiko 5284-742

The 5284-742 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5284 caliber with 20j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-90f2183f7cb9]

Also known as: Tuna, Bullhead

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1979

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