MASTERS COMPLICATIONS
METROPOLITAN DUAL TIME
Ref. 858.Y
44 x 41 mm

• Caliber Daniel Roth: Base caliber GP3100 personalized for Daniel Roth Daniel Roth additional module
• Indication & Functions: - Hours & minutes in the center - Hours hand for the time zone of reference - Indication of reference time zone in a window at 6 o’clock - Indication of AM/PM in a window at 12 o’clock - Indication of 24 cities in a window at 12 & 6 o’clock for each time zone - Indication day/night linked with the reference time zone at 3 o’clock - DST: Summer/Winter indicator à 9 o’clock
• Rotor (type & finishings) 3N18 gold-hand decorated & engraved
• Shock absorbers (nbr & type): 2 for the balance wheel (Incabloc)
• Movement finishings: - Circular-grained plate, diamond-polished angles, rhodium-plated - Côtes-de-Genève decorated bridges, rhodium-plated - 3N18 goldened engraving
• Patents: DST (Daylight Saving Time)
• Balance: 3-arm cuproberyllium ring
• Balance spring: Flat balance spring
• Escapement: Swiss lever escapement
• Frequency (Herz / Vibrations per hour): 4 Hz / 28'800 vph
• power reserve: 42 hours
• Jewelling: 34 jewels
• Thickness, width and height of the movement (including additional module): 5.58 x 31.40 x 34.80 mm
• Material: White gold, red gold 5N18 and platinum
• Case: thickness, width & height: 12.35 x 41 x 44 mm
• Distance between lugs: 21 mm
• Shape & construction: Ellipsocurvex, individually soldered lugs
• Case back: Open case back fixed with 6 pentagonal screws
• Sapphire: Upper : sapphire glareproofed both side, Lower : sapphire glareproofed internal face
• Finishings: Polished
• Water-resistance: 3 Atm
• Jewel-setting Détails: 2 rows, 158 diamonds, 1.42 ct TW VS to VVS
• Material: Brass
• Description: Clous de Paris finishing and « flinqué » center
• Crown: New Daniel Roth crown
• Finishing: polished
• Hours: Local Hours Goldened or rhodium-plated brass hand
• Minutes: Goldened or rhodium-plated brass hand, superluminova in the arrow
• Second Time Zone: Goldened or rhodium plated brass hand, superluminova in the arrow
• Material & colour of bracelet/strap: Black or cognac alligator leather
• Material & type of buckle:White gold or red gold 5N18, folding clasp
• Finishing of the buckle: Polished and stamped with Daniel Roth logo
• Total weight of precious material: - Red gold 5N18 : 113 g - White gold : 116.7 g - Platinum : 120 g & 24 g white gold
• Quality control of the timepieces: Each timepiece is delivered with an individual Functional Technical Testing Certificate