Side by side

Sinn 717vsBremont Terra Nova 42.5 Chronograph

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

717
Sinn717
MSRP $5,389
Terra Nova 42.5 Chronograph
BremontTerra Nova 42.5 Chronograph
MSRP $5,700
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 717

The Sinn 717 is widely praised for its legible, cockpit-instrument-inspired dial and the functional SZ01 movement with central chronograph minute and second hands. Owners appreciate its solid winding action, crisp button feel, and accurate date changes. Despite its 45mm diameter, the Sinn 717 wears well due to its short lug-to-lug distance and comfortable strap options, and its TEGIMENT-treated black PVD case offers significant scratch resistance. Reviewers highlight its robust build quality and 200m water resistance, noting the innovative bezel sealing. Some community members criticize the blacked-out case aesthetic, and one owner finds the bezel action stiff, which they also see as a positive for preventing accidental turns. On balance, owners and reviewers rate the Sinn 717 highly for its unique legibility, robust construction, and comfortable wearability at its price point.

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.

At a glance

17 of 29 specs differ
Diameter
71745mm
Terra Nova 42.5 Chronograph42.5mm
Power Reserve
71738h
Terra Nova 42.5 Chronograph40h
Water Resistance
717200m
Terra Nova 42.5 Chronograph100m
MSRP
717$5,389
Terra Nova 42.5 Chronograph$5,700

Full specifications

Case

8 specs
Category
Tool
Chronograph
Diameter
45mm
42.5mm
Thickness
15.3mm
14.8mm
Lug Width
24mm
14.8mm
Material
Stainless Steel
316L Stainless Steel
Finish
bead-blasted
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
SINN Movement SZ01
ENG345
Power Reserve
38h
40h
Jewels
28
25
Complications
Chronograph, Date, Pilot's Bezel
None

Pricing

1 specs
MSRP
$5,389
$5,700
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