Seiko Cal. 3861 - 687

The Seiko 3861-687 represents an important milestone in Seiko's 1985 lineup. Powered by the 3861 caliber with 30j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-690dc6840e8f]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1985

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