Seiko Cal. 6690 - 421

The 6690-421 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6690 caliber with 30j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f7e7b94aef1c]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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