Seiko Cal. 5286 - 272

Released in 1965, the Cal. 5286 with design code 272 was part of Seiko's domestic market collection. Powered by the 5286 caliber with 33j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-a138fa784be4]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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