Seiko Cal. 5278 - 424

The 5278-424 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5278 caliber with 27j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-27c2cf9c2ed1]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

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