Seiko Cal. 5615 - 524

The Seiko 5615-524 represents an important milestone in Seiko's 1972 lineup. Powered by the 5615 caliber with 29j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-de6feb4700a8]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

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