Side by side

Lum-Tec Combat B71vsSpinnaker Challenger Automatic

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

Combat B71
Lum-TecCombat B71
MSRP $595
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Lum-Tec Combat B71

Owners widely praise the Lum-Tec Combat B7 for its exceptionally bright lume and utilitarian design, with one owner specifically noting the appeal of the Cali dial. Confidence exists in the durability of its DLC coating. Reviewers, however, flag the hands as too short and the date window as less than ideally integrated.

Spinnaker Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

At a glance

8 of 29 specs differ
Diameter
Combat B7143mm
Challenger Automatic42mm
Power Reserve
Combat B7140h
Challenger Automatic40h
Water Resistance
Combat B71200m
Challenger Automatic200m
MSRP
Combat B71$595
Challenger Automatic$289

Full specifications

Case

5 specs
Category
Diver
Diameter
43mm
42mm
Thickness
13.6mm
19mm
Lug-to-Lug
51.5mm
49.5mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Blue

Movement

1 specs
Caliber
Ronda 515
NH35

Pricing

1 specs
MSRP
$595
$289
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