Seiko Cal. 5278 - 527

The 5278-527 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5278 caliber with 28j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-6c226eaa3b4b]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1997

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