Side by side

AVI-8 Dambuster Operation Catechism 80th Dual Time Chronograph Limited EditionvsZelos Spearfish 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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition43mm
Spearfish GMT40mm
Power Reserve
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition40h
Spearfish GMT40h
Water Resistance
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition50m
Spearfish GMT200m
MSRP
Dambuster Operation Catechism 80th Dual Time Chronograph Limited Edition$285
Spearfish GMT$999

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
43mm
40mm
Thickness
13mm
Lug-to-Lug
40mm
Lug Width
22mm
20mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Black
Frost

Movement

2 specs
Caliber
Sellita SW330-2
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$285
$999

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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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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