Seiko Cal. 6610 - 678

The 6610-678 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6610 caliber with 33j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-cab778cd5068]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

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