Seiko Cal. 3879 - 720

Seiko 3879-720

The Seiko 3879-720 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8f9c9ebc6a61]

Also known as: Tuna, Sea Horse

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1968

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