Side by side

AVI-8 Dambuster Operation Catechism 80th Dual Time Chronograph Limited EditionvsBorealis Watch Co. Estoril 300 GMT

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

Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition
AVI-8Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition
MSRP $285
Estoril 300 GMT
Borealis Watch Co.Estoril 300 GMT
MSRP $600

At a glance

12 of 29 specs differ
Diameter
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition43mm
Estoril 300 GMT41.50mm
Power Reserve
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition40h
Estoril 300 GMT40h
Water Resistance
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition50m
Estoril 300 GMT300m
MSRP
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition$285
Estoril 300 GMT$600

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
43mm
41.50mm
Thickness
13.5mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Lume
None
BGW9

Movement

2 specs
Caliber
Miyota 9075
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$285
$600

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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.

AVI-8 Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition

The AVI-8 Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition features a dial that is considered neither boring nor overly loud, with case finishing described as acceptable for its price point. Its 43mm meca-quartz design is inspired by Avro Lancaster bomber cockpits and includes a 24-hour subdial with red accents, priced at US$255. The meca-quartz movement provides quartz accuracy and a sweep-second hand, though it is noted as less smooth than an automatic. However, its 51mm lug-to-lug measurement causes it to wear large on wrists up to 17.5cm. Overall, owners find the AVI-8 Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition to be a well-designed watch for its price, with its primary drawback being its substantial lug-to-lug measurement.

Borealis Watch Co. Estoril 300 GMT

Owners widely praise the Borealis Watch Co. Estoril 300 GMT for its excellent value, robust build quality, and crisp dial, with reviewers highlighting its exceptionally bright BGW9 lume and dive-ready ceramic bezel. Some owners appreciate the brushed and polished finishes, though one owner noted a desire for a white-painted second hand. The included NATO strap is considered too thick with a loose weave, and the sapphire bezel insert is seen by some as a minor aesthetic departure from its inspirations. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value.

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