Side by side

Lum-Tec B66 Day DatevsSpinnaker Croft 39 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
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

10 of 29 specs differ
Diameter
B66 Day Date44mm
Croft 39 GMT39mm
Power Reserve
B66 Day Date40h
Croft 39 GMT40h
Water Resistance
B66 Day Date100m
Croft 39 GMT100m
MSRP
B66 Day Date$545
Croft 39 GMT$445

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
44mm
39mm
Thickness
—
13mm
Lug-to-Lug
51.5mm
47mm
Lug Width
22mm
20mm
Material
Titanium (DLC coated)
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Standard
Red

Movement

1 specs
Caliber
—
Seiko NH34A

Pricing

1 specs
MSRP
$545
$445

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