Seiko Cal. 6690 - 209

The Seiko 6690-209 represents an important milestone in Seiko's 1971 lineup. Powered by the 6690 caliber with 30j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-1f3fb411dc20]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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