Side by side
Tornek-Rayville CISO M38 MAC V SOGvsTudor Black Bay 54
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
CISO M38 MAC V SOG38mm
Black Bay 5437mm
Power Reserve
CISO M38 MAC V SOG42h
Black Bay 5470h
Water Resistance
CISO M38 MAC V SOG100m
Black Bay 54200m
MSRP
CISO M38 MAC V SOG$745
Black Bay 54$4,725
Full specifications
Case
7 specsCategory
—
Diver
Diameter
38mm
37mm
Thickness
12.45mm
11.2mm
Lug-to-Lug
43.6mm
46mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Yes
—
Dial Color
Black
Blue
Lume
Superluminova
Super-LumiNova
Movement
6 specsCaliber
TMI NH36
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$745
$4,725
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