Side by side
Lum-Tec B64 ChronographvsSugess Seestern S446 GMT
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 S446 GMT40mm
Power Reserve
B64 Chronograph40h
Seestern S446 GMT41h
Water Resistance
B64 Chronograph100m
Seestern S446 GMT100m
MSRP
B64 Chronograph$545
Seestern S446 GMT$269
Full specifications
Case
6 specsCategory
Chronograph
GMT
Diameter
44mm
40mm
Thickness
—
10mm
Lug-to-Lug
51.5mm
47mm
Lug Width
22mm
19mm
Material
Titanium (DLC coated)
Stainless Steel
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Standard
Black
Lume
None
Tritium
Movement
4 specsCaliber
—
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41h
Complications
None
GMT, Moonphase, Date
Pricing
1 specsMSRP
$545
$269
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