Seiko Cal. 5287 - 870

Seiko 5287-870

This Automatic model from 1972 features a 38mm PVD Black case. Powered by the 5287 caliber with 31j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-c06c4ed1f8c0]

Also known as: Monster, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1972

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