Side by side

Longines LONGINES AVIGATION BIGEYEvsYema Wristmaster Slim CMM.20

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

LONGINES AVIGATION BIGEYE
LonginesLONGINES AVIGATION BIGEYE
MSRP $4,400
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

10 of 29 specs differ
Diameter
LONGINES AVIGATION BIGEYE41mm
Wristmaster Slim CMM.2039mm
Power Reserve
LONGINES AVIGATION BIGEYE40h
Wristmaster Slim CMM.2040h
Water Resistance
LONGINES AVIGATION BIGEYE30m
Wristmaster Slim CMM.20100m
MSRP
LONGINES AVIGATION BIGEYE$4,400
Wristmaster Slim CMM.20$2,117

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
41mm
39mm
Thickness
14.5mm
9mm
Lug-to-Lug
48.7mm
Lug Width
20mm
24mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

1 specs
Caliber
L688.5
Yema CMM.20

Pricing

1 specs
MSRP
$4,400
$2,117

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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.

LONGINES AVIGATION BIGEYE

Owners and reviewers widely praise the Longines Avigation Bigeye for its unique, asymmetric dial, vintage military aesthetic, and cohesive design, with one reviewer noting its GPHG Best Revival prize win. The tactile chronograph pusher action and reliable L688.2 column wheel movement are highlighted, as is the watch's legibility and versatile strap-swapping potential due to its 20mm lug width. However, criticisms include the 30-minute sub-dial's three-minute hash marks, which some find compromise reading speed, and the lack of drilled lugs. The watch's thickness, around 14.45mm, is noted as typical for its movement, and some owners mention minor QC issues with chronograph hand alignment and a loud rotor. On balance, owners and reviewers rate the Longines Avigation Bigeye highly for its distinctive vintage-inspired design and solid chronograph performance at its price point.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

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