Seiko Cal. 5263 - 686

The 5263-686 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5263 caliber with 35j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-0cbfd0ebc1d6]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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