Side by side

Spinnaker Tesei Mille Metri GMTvsTudor Black Bay One 31

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

Tesei Mille Metri GMT
SpinnakerTesei Mille Metri GMT
MSRP $559
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

13 of 29 specs differ
Diameter
Tesei Mille Metri GMT44mm
Black Bay One 3131mm
Power Reserve
Tesei Mille Metri GMT40h
Black Bay One 3150h
Water Resistance
Tesei Mille Metri GMT1,000m
Black Bay One 31100m
MSRP
Tesei Mille Metri GMT$559
Black Bay One 31$4,600

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
44mm
31mm
Thickness
16mm
9.5mm
Lug-to-Lug
52mm
46mm
Lug Width
22mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
1000m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

2 specs
Caliber
Seiko NH34A
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$559
$4,600

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Tesei Mille Metri GMT

The Spinnaker Fleuss Midnight Black features a reliable and accurate Japanese TMI NH35 Automatic Movement with 3 Hands and Date. A potential drawback is the watch's relatively low 15 ATM water-resistance rating compared to other watches in its class. Reviewers disagree on the watch's suitability for larger wrists, with one reviewer noting a 43mm diameter and 51mm lug-to-lug fit, while the other mentions a 51mm lug-to-lug measurement.

Tudor Black Bay One 31

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

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