Seiko Cal. 6684 - 439

Released in 1965, the Cal. 6684 with design code 439 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-eea5410075ae]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

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