Seiko Cal. 6615 - 563

The Seiko 6615-563 represents an important milestone in Seiko's 1977 lineup. Powered by the 6615 caliber with 26j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-6a3366e11202]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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