Seiko Cal. 6668 - 685

The 6668-685 is a sought-after Solar piece from Seiko's golden era. Powered by the 6668 caliber with 29j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-cfb77d2a20a3]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1967

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