Seiko Cal. 5287 - 375

Seiko 5287-375

The Seiko 5287-375 represents an important milestone in Seiko's 1971 lineup. Powered by the 5287 caliber with 24j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-7c08749355c1]

Also known as: Helmet, UFO

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1971

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