Seiko Cal. 7186 - 578

Seiko 7186-578

The Seiko 7186-578 represents an important milestone in Seiko's 1971 lineup. Powered by the 7186 caliber with 23j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-9bad1af9e0ed]

Also known as: UFO, Navigator

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Green
Jewels
23j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1971

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