Side by side

Lum-Tec B68 Day DatevsSpinnaker Croft 39 GMT

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

B68 Day Date
Lum-TecB68 Day Date
MSRP $595
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

12 of 29 specs differ
Diameter
B68 Day Date44mm
Croft 39 GMT39mm
Power Reserve
B68 Day Date40h
Croft 39 GMT40h
Water Resistance
B68 Day Date200m
Croft 39 GMT100m
MSRP
B68 Day Date$595
Croft 39 GMT$445

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
44mm
39mm
Thickness
—
13mm
Lug-to-Lug
51.5mm
47mm
Lug Width
22mm
20mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
B68 Day Date
Red

Movement

2 specs
Caliber
Ronda 515
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$595
$445

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