Side by side

Bremont Altitude Perpetual Calendar GMTvsTornek-Rayville Blakjak Time-elapse

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
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

12 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Blakjak Time-elapse42.5mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Blakjak Time-elapse42h
Water Resistance
Altitude Perpetual Calendar GMT
Blakjak Time-elapse200m
MSRP
Altitude Perpetual Calendar GMT$38,450
Blakjak Time-elapse$895

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
42mm
42.5mm
Thickness
12.65mm
13.2mm
Lug-to-Lug
49mm
Material
Titanium
Stainless Steel
Water Resistance
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black
Lume
None
Superluminova

Movement

2 specs
Caliber
SII NH36
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$38,450
$895

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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.

Tornek-Rayville Blakjak Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

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