Seiko Cal. 6669 - 686

The 6669-686 is a sought-after Solar piece from Seiko's golden era. Powered by the 6669 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-73480609ff8d]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1998

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