Seiko Cal. 6689 - 407

Released in 1970, the Cal. 6689 with design code 407 was part of Seiko's domestic market collection. Powered by the 6689 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-191673c3e0f3]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1970

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