Seiko Cal. 5284 - 478

The 5284-478 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5284 caliber with 32j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-72a0a2787a8f]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1992

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