Norton - Sirio - Automatico Miyota 8215 - PVD Nero - Quadrante Guilloché Sunray - Fondello a Vista - 40 mm - - NW.SIR.BK (Black) - Men - 2026






Over six years of professional experience in watches with extensive collector network.
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Norton Sirio automatic watch, 40 mm stainless steel case with black IP finish, black guilloché sunray dial, Miyota 8215 movement, black rubber integrated strap, solid case back showing the Japanese movement, 10 ATM water resistance, new with original box, papers and 2‑year warranty, reference NW.SIR.BK.
Description from the seller
Norton: over thirty years of Italian watchmaking, where artisanal tradition meets the precision of Japanese and Swiss movements.
In this auction we offer: Norton - Sirio - Automatic Miyota 8215 - Black PVD - Guilloché Sunray Dial - Exhibition Caseback - 40 mm - 10 ATM
40 mm automatic watch in stainless steel with a black IP finish, brushed and polished, black dial with guilloché work and sunray finish, visible Japanese automatic movement through the exhibition caseback, anti-reflective mineral glass, water resistance 10 ATM / 100 m, integrated rubber strap. New with box, papers and official 2-year warranty.
Sirio takes its name from the brightest star in the sky, and like that star it lives on light. The dial is built around a guilloché pattern of parallel lines beneath a sunray finish: light passes through and shifts tone with every wrist movement, from light to dark, never flat. Applied indices and hands feature luminescent treatment, and the printed minute track completes the dial with instrument-grade precision.
The case is 40 mm stainless steel with a black IP finish, brushed and polished, with drilled lugs that allow easy strap changes. The screw-down caseback houses a mineral glass window through which the Japanese automatic movement is observed at work, with the rotor winding on every gesture.
The total black is the bolder version: case, dial and indices in the same dark shade, where the guilloché reads not as color but as relief, revealing itself only when light hits it from the side.
MOVEMENT: Miyota 8215 automatic Made in Japan
CASE: stainless steel with black IP finish, brushed and polished, 40 mm
BEZEL: fixed stainless steel with black IP finish, beveled profile
DIAL: black, linear guilloché with sunray finish, applied luminescent indices
HANDS: luminescent
GLASS: anti-reflective mineral
BACK: screw-down steel with mineral glass window, movement in view
CROWN: screw-down stainless steel with black IP finish
WATER RESISTANCE: 10 ATM / 100 m
STRAP: integrated rubber
BUCKLE: pin buckle, 20 mm, steel with black brushed IP finish
New, never worn. Original packaging with booklets and official 2-year warranty. Returns accepted only if protective films are not removed and the watch and its box are in the same condition as when shipped. Designed in Italy.
Seller's Story
Norton: over thirty years of Italian watchmaking, where artisanal tradition meets the precision of Japanese and Swiss movements.
In this auction we offer: Norton - Sirio - Automatic Miyota 8215 - Black PVD - Guilloché Sunray Dial - Exhibition Caseback - 40 mm - 10 ATM
40 mm automatic watch in stainless steel with a black IP finish, brushed and polished, black dial with guilloché work and sunray finish, visible Japanese automatic movement through the exhibition caseback, anti-reflective mineral glass, water resistance 10 ATM / 100 m, integrated rubber strap. New with box, papers and official 2-year warranty.
Sirio takes its name from the brightest star in the sky, and like that star it lives on light. The dial is built around a guilloché pattern of parallel lines beneath a sunray finish: light passes through and shifts tone with every wrist movement, from light to dark, never flat. Applied indices and hands feature luminescent treatment, and the printed minute track completes the dial with instrument-grade precision.
The case is 40 mm stainless steel with a black IP finish, brushed and polished, with drilled lugs that allow easy strap changes. The screw-down caseback houses a mineral glass window through which the Japanese automatic movement is observed at work, with the rotor winding on every gesture.
The total black is the bolder version: case, dial and indices in the same dark shade, where the guilloché reads not as color but as relief, revealing itself only when light hits it from the side.
MOVEMENT: Miyota 8215 automatic Made in Japan
CASE: stainless steel with black IP finish, brushed and polished, 40 mm
BEZEL: fixed stainless steel with black IP finish, beveled profile
DIAL: black, linear guilloché with sunray finish, applied luminescent indices
HANDS: luminescent
GLASS: anti-reflective mineral
BACK: screw-down steel with mineral glass window, movement in view
CROWN: screw-down stainless steel with black IP finish
WATER RESISTANCE: 10 ATM / 100 m
STRAP: integrated rubber
BUCKLE: pin buckle, 20 mm, steel with black brushed IP finish
New, never worn. Original packaging with booklets and official 2-year warranty. Returns accepted only if protective films are not removed and the watch and its box are in the same condition as when shipped. Designed in Italy.
