Seiko Cal. 3859 - 660

The Seiko 3859-660 represents an important milestone in Seiko's 1991 lineup. Powered by the 3859 caliber with 18j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-64d1d0cfa3d7]

Also known as: Panda, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1991

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