Seiko Cal. 6613 - 518

The Seiko 6613-518 represents an important milestone in Seiko's 1973 lineup. Powered by the 6613 caliber with 21j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-a0fa54808c94]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1973

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