Side by side

Bremont Altitude Perpetual Calendar GMTvsSpinnaker Hull Diver

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
Hull Diver
SpinnakerHull Diver
MSRP $375

At a glance

8 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
Hull Diver42mm
Power Reserve
Altitude Perpetual Calendar GMT40h
Hull Diver40h
Water Resistance
Altitude Perpetual Calendar GMT
Hull Diver300m
MSRP
Altitude Perpetual Calendar GMT$38,450
Hull Diver$375

Full specifications

Case

5 specs
Category
GMT
Diver
Thickness
12.65mm
15mm
Lug-to-Lug
47.5mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m

Crystal & Dial

1 specs
Dial Color
Blue
Green

Movement

1 specs
Caliber
SII NH35A

Pricing

1 specs
MSRP
$38,450
$375

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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.

Spinnaker Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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