Side by side

Lum-Tec Combat B71vsSpinnaker Cahill Automatic

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

Combat B71
Lum-TecCombat B71
MSRP $595
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
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 Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

At a glance

8 of 29 specs differ
Diameter
Combat B7143mm
Cahill Automatic42mm
Power Reserve
Combat B7140h
Cahill Automatic40h
Water Resistance
Combat B71200m
Cahill Automatic200m
MSRP
Combat B71$595
Cahill Automatic$350

Full specifications

Case

5 specs
Category
Diver
Diameter
43mm
42mm
Thickness
13.6mm
13.7mm
Lug-to-Lug
51.5mm
51mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Green

Movement

1 specs
Caliber
Ronda 515
NH35

Pricing

1 specs
MSRP
$595
$350
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