Side by side

Lum-Tec B66 Day DatevsZelos Spearfish 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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
B66 Day Date44mm
Spearfish GMT40mm
Power Reserve
B66 Day Date40h
Spearfish GMT40h
Water Resistance
B66 Day Date100m
Spearfish GMT200m
MSRP
B66 Day Date$545
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
44mm
40mm
Thickness
—
13mm
Lug-to-Lug
51.5mm
40mm
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Standard
Frost

Movement

1 specs
Caliber
—
Sellita SW330-2

Pricing

1 specs
MSRP
$545
$999

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