Seiko Cal. 6610 - 670

The 6610-670 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6610 caliber with 36j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-9b24629af986]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

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