Seiko Cal. 5277 - 813

The Seiko 5277-813 represents an important milestone in Seiko's 1973 lineup. Powered by the 5277 caliber with 19j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-f583276da019]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1973

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