Seiko Cal. 5278 - 209

The 5278-209 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5278 caliber with 17j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-07014d7c3dd8]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1981

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