Side by side

Lum-Tec B66 Day DatevsYema Superman Worldtime GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

B66 Day Date
Lum-TecB66 Day Date
MSRP $545
Superman Worldtime GMT
YemaSuperman Worldtime GMT
MSRP $1,549

At a glance

9 of 29 specs differ
Diameter
B66 Day Date44mm
Superman Worldtime GMT39mm
Power Reserve
B66 Day Date40h
Superman Worldtime GMT40h
Water Resistance
B66 Day Date100m
Superman Worldtime GMT300m
MSRP
B66 Day Date$545
Superman Worldtime GMT$1,549

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
44mm
39mm
Lug-to-Lug
51.5mm
—
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Standard
39mm Automatic

Pricing

1 specs
MSRP
$545
$1,549

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