Side by side

Lum-Tec Combat B71vsNivada Grenchen Depthmaster

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

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.

Nivada Grenchen Depthmaster

Owners widely report terrific build quality and a feel similar to the 1960s original, with some appreciating its reasonable lug-to-lug and better-than-expected appearance in person. The compact 39mm case is praised for its wearability, especially on smaller wrists, and offers impressive 1,000m water resistance. However, the Soprod P024 movement's 38-hour power reserve is a point of criticism, as is a bezel that can be difficult to grip and weak lume. Some owners find the watch wears on the smaller side, and the date complication is seen by one owner as detracting from the design. The "Pacman" variant is noted as polarizing, with one owner questioning their purchase, while the "Ghost Purple" variant's 30 and 45 numerals are described as having a rushed aesthetic. Overall, owners and reviewers rate the Nivada Grenchen Depthmaster highly for its faithful reissue, impressive water resistance, and comfortable wearability at a competitive price.

At a glance

13 of 29 specs differ
Diameter
Combat B7143mm
Depthmaster39mm
Power Reserve
Combat B7140h
Depthmaster38h
Water Resistance
Combat B71200m
Depthmaster1,000m
MSRP
Combat B71$595
Depthmaster$1,050

Full specifications

Case

7 specs
Category
Diver
Diameter
43mm
39mm
Thickness
13.6mm
13mm
Lug-to-Lug
51.5mm
39mm
Lug Width
22mm
20mm
Water Resistance
200m
1000m
Caseback
Solid
Stainless Steel 316

Crystal & Dial

2 specs
Dial Color
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Ronda 515
Sellita SW200-1
Power Reserve
40h
38h
Complications
None
GMT

Pricing

1 specs
MSRP
$595
$1,050
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