Seiko Cal. 6387 - 720

Seiko 6387-720

The Seiko 6387-720 represents an important milestone in Seiko's 1979 lineup. Powered by the 6387 caliber with 32j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-f42f338088c7]

Also known as: Navigator

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
15.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
32j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1979

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