Seiko Cal. 6665 - 853

The Seiko 6665-853 represents an important milestone in Seiko's 1975 lineup. Powered by the 6665 caliber with 19j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-77e3c4c2e093]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1975

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