Side by side

Bremont Terra Nova 42.5 ChronographvsTudor Black Bay One 31 S&G

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

Terra Nova 42.5 Chronograph
BremontTerra Nova 42.5 Chronograph
MSRP $5,700
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

11 of 29 specs differ
Diameter
Terra Nova 42.5 Chronograph42.5mm
Black Bay One 31 S&G31mm
Power Reserve
Terra Nova 42.5 Chronograph40h
Black Bay One 31 S&G50h
Water Resistance
Terra Nova 42.5 Chronograph100m
Black Bay One 31 S&G100m
MSRP
Terra Nova 42.5 Chronograph$5,700
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Chronograph
Diameter
42.5mm
31mm
Thickness
14.8mm
9.5mm
Lug-to-Lug
46mm
Lug Width
14.8mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Movement

2 specs
Caliber
ENG345
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$5,700
$6,850

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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.

Bremont Terra Nova 42.5 Chronograph

The Bremont Terra Nova 42.5 Chronograph is noted for its 42.5mm Cupro-Aluminium case, which is described as blocky with satin finishing and minimal polishing, and a bi-directional bronze compass bezel with a black ceramic insert. Owners and reviewers highlight the satisfying winding action of the crown and crisp chronograph pushers, though one reviewer found the start/stop pusher required significant force. The watch features a green gradient dial with full-block Super-LumiNova numerals and is powered by a chronometer-rated automatic movement with a 56-hour power reserve and 100-meter water resistance. The CuAl7Si2 bronze alloy case is expected to patina over time, offering a warmer look and increased scratch resistance. One reviewer noted the prototype's rear sapphire caseback was too dark to appreciate the movement, and conspicuous text around the tourbillon window detracted from the dial.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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