Side by side

Bremont Terra Nova 42.5 ChronographvsGrand Seiko SLGH017

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
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

10 of 29 specs differ
Diameter
Terra Nova 42.5 Chronograph42.5mm
SLGH01740mm
Power Reserve
Terra Nova 42.5 Chronograph40h
SLGH01780h
Water Resistance
Terra Nova 42.5 Chronograph100m
SLGH017100m
MSRP
Terra Nova 42.5 Chronograph$5,700
SLGH017$10,500

Full specifications

Case

6 specs
Category
Chronograph
Dress
Diameter
42.5mm
40mm
Thickness
14.8mm
11.7mm
Lug-to-Lug
47mm
Lug Width
14.8mm
22mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
ENG345
9SA5
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$5,700
$10,500

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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.

Grand Seiko SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

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