Seiko Cal. 6671 - 342

The Seiko 6671-342 represents an important milestone in Seiko's 1971 lineup. Powered by the 6671 caliber with 21j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-6ebe46fdafd6]

Also known as: UFO, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1971

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