Side by side
Lum-Tec B64 ChronographvsSugess Seestern S473 Auto Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
B64 Chronograph44mm
Seestern S473 Auto Chrono40mm
Power Reserve
B64 Chronograph40h
Seestern S473 Auto Chrono35h
Water Resistance
B64 Chronograph100m
Seestern S473 Auto Chrono50m
MSRP
B64 Chronograph$545
Seestern S473 Auto Chrono$449
Full specifications
Case
7 specsDiameter
44mm
40mm
Thickness
—
12.5mm
Lug-to-Lug
51.5mm
47.3mm
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
Stainless Steel
Water Resistance
100m
50m
Caseback
Solid
Display
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Standard
Blue
Movement
4 specsCaliber
—
SL-4801L
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
35h
Complications
None
GMT, Chronograph, Moonphase
Pricing
1 specsMSRP
$545
$449
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