Side by side
Lum-Tec B73vsStraton Straton Syncro MKII Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
B7344mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
B7340h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
B73200m
Straton Syncro MKII Mechanical Chrono100m
MSRP
B73$463
Straton Syncro MKII Mechanical Chrono$599
Full specifications
Case
9 specsCategory
Sport
Chronograph
Diameter
44mm
40mm
Thickness
—
12.4mm
Lug-to-Lug
51.5mm
48mm
Lug Width
22mm
20mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
200m
100m
Caseback
Solid
Sapphire crystal
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
B73
—
Indices
Applied
—
Movement
5 specsCaliber
Ronda 515
Seagull ST19
Type
Quartz
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$463
$599
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