Norton - Sirio - Automatico Miyota 8215 - Acciaio - Quadrante Guilloché Sunray - Fondello a Vista - 40 mm - - NW.SIR.BL (Blue) - Men - 2026






Over six years of professional experience in watches with extensive collector network.
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Norton Sirio Automatic, 40 mm stainless steel case with a blue guilloché sunray dial, Miyota 8215 automatic movement, rubber strap, 10 ATM water resistance, new with original box, papers and 2-year official warranty, reference NW.SIR.BL.
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 - Steel - Guilloché Sunray Dial - Exhibition Case Back - 40 mm - 10 ATM
40 mm automatic watch in stainless steel with a brushed and polished finish, blue dial with guilloché work and sunray finish, visible Japanese automatic movement through the exhibition case back, anti-reflective mineral crystal, water resistance 10 ATM/100 m, integrated rubber strap. Brand new with box, documents and official 2-year warranty.
Sirio takes its name from the brightest star in the sky, and like it, it lives by light. The dial is built around a linear guilloché pattern beneath a sunray finish: light passes through it and changes tone with every wrist movement, from light to dark, never flat. Applied indices and hands have luminous treatment, and the printed minute track completes the dial with instrument-level precision.
The case is 40 mm stainless steel, with alternating brushed and polished surfaces that define the sporty-elegant character, and drilled lugs that make strap changes easy. The screw-down case back features a mineral glass window through which the Japanese automatic movement can be observed at work, with the rotor winding with every gesture.
The blue dial shifts from deep blue to black toward the edges, with the sunray finish lighting up the center when it catches the light: the most classic and understated variant of the range, one that never tires.
MOVEMENT: Miyota 8215 automatic Made in Japan
CASE: stainless steel, brushed and polished finish, 40 mm
BEZEL: fixed stainless steel, beveled edge
DIAL: blue, linear guilloché with sunray finish, applied luminescent indices
HANDS: luminescent
GLASS: anti-reflective mineral
CASE BACK: screw-down steel with mineral glass window, movement visible
CROWN: screw-down stainless steel
WATER RESISTANCE: 10 ATM / 100 m
STRAP: integrated rubber
BUCKLE: pin buckle 20 mm in brushed stainless steel
New, never worn. Original packaging with booklets and official 2-year warranty. Returns accepted only if the protective films have not been removed and the watch and 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 - Steel - Guilloché Sunray Dial - Exhibition Case Back - 40 mm - 10 ATM
40 mm automatic watch in stainless steel with a brushed and polished finish, blue dial with guilloché work and sunray finish, visible Japanese automatic movement through the exhibition case back, anti-reflective mineral crystal, water resistance 10 ATM/100 m, integrated rubber strap. Brand new with box, documents and official 2-year warranty.
Sirio takes its name from the brightest star in the sky, and like it, it lives by light. The dial is built around a linear guilloché pattern beneath a sunray finish: light passes through it and changes tone with every wrist movement, from light to dark, never flat. Applied indices and hands have luminous treatment, and the printed minute track completes the dial with instrument-level precision.
The case is 40 mm stainless steel, with alternating brushed and polished surfaces that define the sporty-elegant character, and drilled lugs that make strap changes easy. The screw-down case back features a mineral glass window through which the Japanese automatic movement can be observed at work, with the rotor winding with every gesture.
The blue dial shifts from deep blue to black toward the edges, with the sunray finish lighting up the center when it catches the light: the most classic and understated variant of the range, one that never tires.
MOVEMENT: Miyota 8215 automatic Made in Japan
CASE: stainless steel, brushed and polished finish, 40 mm
BEZEL: fixed stainless steel, beveled edge
DIAL: blue, linear guilloché with sunray finish, applied luminescent indices
HANDS: luminescent
GLASS: anti-reflective mineral
CASE BACK: screw-down steel with mineral glass window, movement visible
CROWN: screw-down stainless steel
WATER RESISTANCE: 10 ATM / 100 m
STRAP: integrated rubber
BUCKLE: pin buckle 20 mm in brushed stainless steel
New, never worn. Original packaging with booklets and official 2-year warranty. Returns accepted only if the protective films have not been removed and the watch and box are in the same condition as when shipped. Designed in Italy.
