Seiko Cal. 4495 - 531

Seiko 4495-531

This Automatic model from 1987 features a 44mm PVD Black case. Powered by the 4495 caliber with 20j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-2214c1a02403]

Also known as: Sumo, UFO

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1987

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seikata-wm-2214c1a02403