Seiko Cal. 3866 - 207

The Seiko 3866-207 represents an important milestone in Seiko's 1987 lineup. Powered by the 3866 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-016ac787224c]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

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