Side by side

Bremont Terra Nova 42.5 ChronographvsSeiko Astron GPS Solar 2025 Limited Edition

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
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,900

At a glance

12 of 29 specs differ
Diameter
Terra Nova 42.5 Chronograph42.5mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Terra Nova 42.5 Chronograph40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Terra Nova 42.5 Chronograph100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Terra Nova 42.5 Chronograph$5,700
Astron GPS Solar 2025 Limited Edition$2,900

Full specifications

Case

5 specs
Diameter
42.5mm
43.4mm
Thickness
14.8mm
13.4mm
Lug-to-Lug
49.5mm
Lug Width
14.8mm
14mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
ENG345
5X83
Type
Automatic
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$5,700
$2,900

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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.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is lauded for its advanced satellite timekeeping and perpetual calendar functionality, offering global time and location updates via GPS signals. Owners appreciate its well-built titanium or steel case, often featuring a ceramic bezel, and the unique asymmetrical design inspired by the 1983 Seiko 7A28 6000. However, its substantial 47mm size and 16.5mm thickness are frequently noted as drawbacks, with some finding it wears large and is difficult to fit under shirt sleeves. The perpetual calendar is limited to displaying only the date, and GPS signal reception requires a clear view of the sky, posing challenges indoors. The watch is priced around $2,900 and is limited to 3,000 pieces. Overall, owners and reviewers value the Seiko Astron GPS Solar 2025 Limited Edition for its cutting-edge technology and distinctive design, despite its considerable dimensions.

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