Side by side

Bremont Terra Nova 42.5 ChronographvsBoldr Expedition Enigmath

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
Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599

At a glance

13 of 29 specs differ
Diameter
Terra Nova 42.5 Chronograph42.5mm
Expedition Enigmath41mm
Power Reserve
Terra Nova 42.5 Chronograph40h
Expedition Enigmath42h
Water Resistance
Terra Nova 42.5 Chronograph100m
Expedition Enigmath200m
MSRP
Terra Nova 42.5 Chronograph$5,700
Expedition Enigmath$599

Full specifications

Case

7 specs
Category
Chronograph
Tool
Diameter
42.5mm
41mm
Thickness
14.8mm
12.8mm
Lug-to-Lug
47.5mm
Lug Width
14.8mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Enigmath Coconino
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
ENG345
Miyota 9039,
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$5,700
$599

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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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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