Seiko Cal. 3866 - 604

The Seiko 3866-604 represents an important milestone in Seiko's 1993 lineup. Powered by the 3866 caliber with 35j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-0192c18fef7f]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1993

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