Seiko Cal. 5261 - 443

The Seiko 5261-443 represents an important milestone in Seiko's 1967 lineup. Powered by the 5261 caliber with 34j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-d9330920da81]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1967

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