Side by side

Bremont S302vsLongines ULTRA‑CHRON CARBON

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

S302
BremontS302
MSRP $3,900
ULTRA‑CHRON CARBON
LonginesULTRA‑CHRON CARBON
MSRP $5,550

At a glance

20 of 29 specs differ
Diameter
S30240mm
ULTRA‑CHRON CARBON43mm
Power Reserve
S30240h
ULTRA‑CHRON CARBON52h
Water Resistance
S302300m
ULTRA‑CHRON CARBON300m
MSRP
S302$3,900
ULTRA‑CHRON CARBON$5,550

Full specifications

Case

7 specs
Diameter
40mm
43mm
Thickness
13mm
14mm
Lug-to-Lug
48.9mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium
Finish
Brushed and polished
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Blue
Silver
Indices
Applied
Applied indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
BE-92AE
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
$3,900
$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.

Bremont S302

Owners widely praise the Bremont S302 for its balanced 40mm proportions, legible matte dial with attractive tan accents, and satisfying bezel action, with one owner noting its hard, scratch-resistant case. Reviewers highlight its 300m water resistance and GMT function, though some find the bezel integration a compromise and the GMT hand adjustment limited. Accuracy figures vary, with one owner reporting theirs keeps accurate time and another noting potential alignment issues requiring service. The ETA movement at its price point is considered high by some reviewers. Overall, owners and reviewers appreciate the Bremont S302 as a handsome and functional dive-style GMT, with its comfortable lug design and subtle appeal being key strengths.

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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