Seiko Cal. 6615 - 687

The 6615-687 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6615 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a593dd4d9eab]

Also known as: Helmet, Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1996

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