Side by side

Lum-Tec B66 Day DatevsSpinnaker Bradner 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
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

10 of 29 specs differ
Diameter
B66 Day Date44mm
Bradner GMT42mm
Power Reserve
B66 Day Date40h
Bradner GMT40h
Water Resistance
B66 Day Date100m
Bradner GMT180m
MSRP
B66 Day Date$545
Bradner GMT$299

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
44mm
42mm
Thickness
—
15mm
Lug-to-Lug
51.5mm
50mm
Material
Titanium (DLC coated)
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Standard
Brown

Movement

1 specs
Caliber
—
Seiko NH34A

Pricing

1 specs
MSRP
$545
$299

Follow this matchup

Get a note when Lum-Tec B66 Day Date vs Spinnaker Bradner GMT gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Zelos Hammerhead V3 300m Titanium
Zelosmicro

Hammerhead V3 300m Titanium

2 watches · 16 variantsHammerhead V3
44mm·Automatic·300m WR
$559MSRP
—Used
Spinnaker Tesei Mille Metri GMT
Spinnakermicro

Tesei Mille Metri GMT

4 watches · 10 variantsTesei
44mm·Automatic·1000m WR
$559MSRP
—Used
Zelos Blacktip 200m GMT
Zelosmicro

Blacktip 200m GMT

3 watches · 15 variantsBlacktip
41mm·Automatic·200m WR
$499MSRP
—Used
Yema Navygraf Marine Nationale GMT Paris
Yemamicro

Navygraf Marine Nationale GMT Paris

9 watches · 12 variantsNavygraf
39mm·Automatic·100m WR
$944MSRP
—Used
Yema Superman Titanium Tourbillon CMM.31 Limited Edition
Yemamicro

Superman Titanium Tourbillon CMM.31 Limited Edition

9 watches · 22 variantsSuperman
43mm·Automatic·300m WR
$13,000MSRP
—Used
Marathon Jeep Rubicon GSAR
Marathonmicro
Jeep x Marathon

Jeep Rubicon GSAR

4 watches · 4 variantsJeep x Marathon
41mm·Automatic·300m WR
$2,100MSRP
—Used
Praesidus Neptune 44
Praesidusmicro

Neptune 44

2 variantsNeptune 44
44mm·Automatic·200m WR
$550MSRP
—Used
Spinnaker Hull Titanium Bronze
Spinnakermicro

Hull Titanium Bronze

8 watches · 32 variantsHull
42mm·Automatic·100m WR
$425MSRP
—Used
All alternatives to the B66 Day Date →All alternatives to the Bradner GMT →
Explore the full catalog
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Spinnaker Bradner GMTvsZelos Hammerhead V3 300m TitaniumZelos Crystallised TI LEvsSpinnaker Bradner GMTZelos Hammerhead (Tantalum LE)vsSpinnaker Bradner GMTSpinnaker Bradner GMTvsYema Superman Titanium Tourbillon CMM.31 Limited EditionLum-Tec B66 Day DatevsSpinnaker Tesei Mille Metri GMTLum-Tec B66 Day DatevsZelos Blacktip 200m GMT
Edit this comparisonAdd another watchExplore more 41–45mm watches