Seiko Cal. 5266 - 520

The Seiko 5266-520 represents an important milestone in Seiko's 1985 lineup. Powered by the 5266 caliber with 22j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-100bfb3d2381]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1985

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