Side by side

Boldr Odyssey BronzevsLongines ULTRA‑CHRON CARBON

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

Odyssey Bronze
BoldrOdyssey Bronze
MSRP $649
ULTRA‑CHRON CARBON
LonginesULTRA‑CHRON CARBON
MSRP $5,550

At a glance

19 of 29 specs differ
Diameter
Odyssey Bronze45.5mm
ULTRA‑CHRON CARBON43mm
Power Reserve
Odyssey Bronze40h
ULTRA‑CHRON CARBON52h
Water Resistance
Odyssey Bronze500m
ULTRA‑CHRON CARBON300m
MSRP
Odyssey Bronze$649
ULTRA‑CHRON CARBON$5,550

Full specifications

Case

7 specs
Diameter
45.5mm
43mm
Thickness
16.8mm
14mm
Lug-to-Lug
52mm
48.9mm
Material
Bronze
Titanium
Finish
Brushed and polished
Water Resistance
500m
300m
Caseback
Solid
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Both sides
Dial Color
Auburn
Silver
Indices
Applied
Applied indexes

Movement

7 specs
Caliber
Seiko NH35
L836.6
Beat Rate
28,800 vph
36,000 vph
Power Reserve
40h
52h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds

Pricing

1 specs
MSRP
$649
$5,550

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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.

Boldr Odyssey Bronze

The Boldr Odyssey Bronze is widely praised for its robust, ship-like aesthetic and substantial feel, with its meteorite dial and OEM Horween strap highlighted as unique features. Owners feel the style, fit, finish, and specifications compensate for criticisms regarding the movements used at its price point. On balance, owners rate the Boldr Odyssey Bronze highly for its distinctive aesthetic and quality finishing.

From video reviewers

The 500m water resistance and Lumicast lume are standout features. The 45mm+ case size is a drawback for some wrists.

Longines ULTRA‑CHRON CARBON

The Longines ULTRA‑CHRON CARBON is praised for its lightweight composite case and unique "Batman" aesthetic, with its 5Hz movement widely noted for exceptional accuracy. Owners widely report the high-beat movement is the cheapest 5Hz option available. Some owners find the non-rotating bezel a relief, while others consider it a deal-breaker, noting the watch is no longer a dive watch. On balance, owners and reviewers highly rate the Longines ULTRA‑CHRON CARBON for its cool, lightweight design and the exceptional accuracy of its 5Hz movement.

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