Seiko Cal. 6666 - 685

The Seiko 6666-685 represents an important milestone in Seiko's 1974 lineup. Powered by the 6666 caliber with 33j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-c918f1f16c14]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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