Seiko Cal. 6684 - 346

Released in 1978, the Cal. 6684 with design code 346 was part of Seiko's domestic market collection. Powered by the 6684 caliber with 36j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-fa6df2efb607]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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