Seiko Cal. 5266 - 927

This Spring Drive model from 1971 features a 41mm PVD Black case. Powered by the 5266 caliber with 26j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-0040a93502a9]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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