Side by side

Bremont Altitude Perpetual Calendar GMTvsSeiko King Seiko VANAC Seiko Boutique Exclusive Edition

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

At a glance

15 of 29 specs differ
Diameter
Altitude Perpetual Calendar GMT42mm
King Seiko VANAC Seiko Boutique Exclusive Edition41mm
Power Reserve
Altitude Perpetual Calendar GMT40h
King Seiko VANAC Seiko Boutique Exclusive Edition72h
Water Resistance
Altitude Perpetual Calendar GMT
King Seiko VANAC Seiko Boutique Exclusive Edition100m
MSRP
Altitude Perpetual Calendar GMT$38,450
King Seiko VANAC Seiko Boutique Exclusive Edition$3,300

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
41mm
Thickness
12.65mm
14.3mm
Lug-to-Lug
45.1mm
Lug Width
22mm
17mm
Material
Titanium
Stainless Steel
Water Resistance
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$38,450
$3,300

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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.

Seiko King Seiko VANAC Seiko Boutique Exclusive Edition

Owners and reviewers widely praise the King Seiko VANAC Seiko Boutique Exclusive Edition for its intricate finishing on its angular case and bracelet, comfortable feel on the wrist, and retro-inspired design. Specific call-outs include the crisp blue-and-white colorway, vibrant titanium case design, novel dial ring, and striking purple dial options. Owners consider it a premium and value-for-money piece, appreciating its dial texture, polished and brushed finishes, and intentional 70s-inspired aesthetic. The 8L45 movement is noted for its 70-72 hour power reserve, with accuracy figures ranging from +10/-5 seconds per day to -5/+10 seconds per day. One reviewer found the accuracy not great for the price point, while another noted it as slightly loose compared to other brands. The lack of lume limits it to daytime use, and the hidden butterfly clasp is considered unintuitive by one source. Some owners wished the bracelet tapered more at the clasp.

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