Side by side
CIGA Design MACHINAvsTudor Black Bay One 31 S&G
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
MACHINA—
Black Bay One 31 S&G31mm
Power Reserve
MACHINA—
Black Bay One 31 S&G50h
Water Resistance
MACHINA30m
Black Bay One 31 S&G100m
MSRP
MACHINA$399
Black Bay One 31 S&G$6,850
Full specifications
Case
9 specsCategory
Skeleton
—
Diameter
—
31mm
Thickness
—
9.5mm
Lug-to-Lug
—
46mm
Lug Width
—
17mm
Material
Ceramic
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
30m
100m
Caseback
Solid
Solid screw-down
Crystal & Dial
2 specsDial Color
White
Black
Lume
Swiss Super-LumiNova material for long-lasting night visibility
None
Movement
3 specsCaliber
CD-01
MT5201
Power Reserve
—
50h
Jewels
—
25
Pricing
1 specsMSRP
$399
$6,850
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