Seiko Cal. 5687 - 747

Seiko 5687-747

The Seiko 5687-747 represents an important milestone in Seiko's 1966 lineup. Powered by the 5687 caliber with 20j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-6ab92d0be1f0]

Also known as: Samurai, Arnie

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
38mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
20j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1966

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