Side by side

Bremont Altitude Perpetual Calendar GMTvsCWC T20 General Service Quartz Watch

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

Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450
T20 General Service Quartz Watch
CWCT20 General Service Quartz Watch
MSRP $249

At a glance

13 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
T20 General Service Quartz Watch38mm
Power Reserve
Altitude Perpetual Calendar GMT40h
T20 General Service Quartz Watch40h
Water Resistance
Altitude Perpetual Calendar GMT
T20 General Service Quartz Watch50m
MSRP
Altitude Perpetual Calendar GMT$38,450
T20 General Service Quartz Watch$249

Full specifications

Case

7 specs
Category
GMT
Field
Diameter
42mm
38mm
Thickness
12.65mm
12mm
Lug-to-Lug
42mm
Lug Width
22mm
18.5mm
Material
Titanium
Stainless Steel
Water Resistance
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Acrylic
Dial Color
Blue
CWC T20 General Service Quartz Watch
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Ronda 515
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$38,450
$249

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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 Altitude Perpetual Calendar GMT

The Bremont Altitude Perpetual Calendar GMT is a highly exclusive piece, with one owner noting its $44,000 price point raises questions about its target audience and suggesting it may be a limited production showpiece. Reviewers highlight its refined Trip-Tick case, now featuring softer curves, a 42mm diameter, and a 12.23mm thickness in grade 2 titanium, though the oversized crowns are flagged as a potential drawback. Overall, owners and reviewers acknowledge the Bremont Altitude Perpetual Calendar GMT as a distinctive, albeit niche, high-complication offering with a notable case refinement.

CWC T20 General Service Quartz Watch

The CWC T20 General Service Quartz Watch is widely praised for its simple, clean, and classic look, with owners considering it a classy and comfortable field watch. Its 38mm tonneau case is seen by some as a cool retro piece representative of original MOD specifications, though others find this size too small for larger wrists. The watch is noted for keeping accurate time, with one owner reporting it as practical for everyday wear. It features a stainless steel case, sapphire crystal, and a Ronda 715 movement. A limitation mentioned is the fixed lugs, which restrict strap versatility. Overall, owners rate the CWC T20 General Service Quartz Watch highly for its classic military-inspired aesthetic and reliable timekeeping at an affordable price.

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