Seiko Cal. 3887 - 860

Seiko 3887-860

The Seiko 3887-860 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6a696a3a2446]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
13.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1969

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