Jack Mason GMT "Black Tie" Reference # STRAT-BLKT

Name: Jack Mason GMT "Black Tie" Reference # STRAT-BLKT
SKU: BK7

SKU: BK7

$1,500.00

Quantity

The Jack Mason Strat-o-timer GMT "Black Tie" is an all-black iteration of the brand's flagship traveler GMT, featuring a black dial, black ceramic bezel, and black stainless steel bracelet. Like other models in the line, it is assembled and regulated in Texas, USA.
Case & Dimensions

Diameter: 40mm

Thickness: 13.2mm (including crystal)

Lug-to-Lug: 47mm

Lug Width: 20mm

Material: 316L Stainless Steel with hardness coating (up to 1,200 Vickers)

Finish: Brushed top surfaces with polished mid-case

Water Resistance: 200 meters (20 ATM) with screw-down crown

Crystal: Double-domed sapphire with anti-reflective coating

Caseback: Sapphire exhibition window
Movement

Caliber: Miyota 9075 Automatic "True GMT" (Flyer GMT)

Functionality: Independent jumping local hour hand (adjustable in 1-hour increments forward or backward without stopping the watch)

Jewels: 24

Frequency: 28,800 vph (4 Hz)

Power Reserve: ~42 hours

Regulation: Regulated in-house by Jack Mason to ±5 seconds per day

Features: Hacking seconds, hand-winding, custom branded rotor with Côtes de Genève decoration

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