Seiko Cal. 6690 - 700

The Seiko 6690-700 represents an important milestone in Seiko's 1970 lineup. Powered by the 6690 caliber with 30j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-28effd0da2eb]

Also known as: Panda, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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