Lum-Tec Combat B71vsSeiko Monster Automatic 200M

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Lum-Tec Combat B71 at true scale

Combat B71

Seiko Monster Automatic 200M at true scale

Monster Automatic 200M

Diameter

43mm

42mm

Lug-to-Lug

51.5mm

n/a

Thickness

13.6mm

n/a

Water Resistance

200m

200m

Power Reserve

n/a

41h

MSRP

$595

n/a

Movement

Ronda 515

Seiko 4R36

Case

6 specs
Diameter
43mm
42mm
Thickness
13.6mm
n/a
Lug-to-Lug
51.5mm
n/a
Lug Width
22mm
n/a
Finish
n/a
Brushed and Polished
Caseback
n/a
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
n/a
Flat
Dial Color
n/a
Orange
Indices
n/a
Applied

Movement

4 specs
Caliber
Ronda 515
Seiko 4R36
Beat Rate
0 vph
21,600 vph
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$595
n/a
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Reviews

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 B71 for its exceptionally bright and effective MDV lume, rugged build quality, and unique Cali dial design. Reviewers and owners alike highlight the legible dials, with some appreciating the 24-hour display. One owner noted the DLC coating appears very durable. However, some find the 43mm case size too large, and a few users suggest the hands are too short and the date window could be better integrated. One owner experienced a movement failure shortly after purchase, though this was resolved by the company. Overall, owners rate the Lum-Tec Combat B71 highly for its robust construction and outstanding lume at its price point.

Seiko Monster Automatic 200M

Owners widely praise the Seiko Monster Automatic 200M for its excellent Lumibrite, reliable performance, and comfortable wearability, with many considering it a bargain. Reviewers and owners alike highlight the watch's robust build and iconic design elements, such as the distinctive bezel grip. Some owners note the rubber strap can be stiff or long, and one owner reported minor time adjustments every few weeks over a decade of daily wear. Overall, owners and reviewers rate the Seiko Monster Automatic 200M highly for its exceptional value and enduring appeal.