Side by side

Bremont Terra Nova 42.5 ChronographvsGrand Seiko SLGC006

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
SLGC006
Grand SeikoSLGC006
MSRP $22,600

At a glance

9 of 29 specs differ
Diameter
Terra Nova 42.5 Chronograph42.5mm
SLGC00643.2mm
Power Reserve
Terra Nova 42.5 Chronograph40h
SLGC00672h
Water Resistance
Terra Nova 42.5 Chronograph100m
SLGC006100m
MSRP
Terra Nova 42.5 Chronograph$5,700
SLGC006$22,600

Full specifications

Case

5 specs
Diameter
42.5mm
43.2mm
Thickness
14.8mm
15.4mm
Lug-to-Lug
51.5mm
Lug Width
14.8mm
23mm
Material
316L Stainless Steel
Gold

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
ENG345
9SC5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$5,700
$22,600

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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.

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 SLGC006

Owners widely praise the Grand Seiko SLGC006's stunning copper Mount Iwate dial and its high-frequency Caliber 9SC5 movement, which operates at 36,000vph and achieves accuracy between -3/+5 seconds per day with a 72-hour power reserve. Reviewers note the watch's large 43.2mm size, though some find the Evolution 9 case design improves wearability. Criticisms include the $22,600 price point, the 4:30 date window placement, and the lack of bracelet micro-adjustment. Opinions on the dial are split, with some finding it beautiful and others comparing it to rust or the Australian outback. Some question the extent of the gold accents for a "two-tone" designation. Overall, owners and reviewers acknowledge the Grand Seiko SLGC006's striking aesthetics and advanced movement, but debate its value proposition and certain design choices.

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