Side by side

Tornek-Rayville Blakjak Time-elapsevsYema Skin Diver Slim CMM.20

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

Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895
Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

12 of 29 specs differ
Diameter
Blakjak Time-elapse42.5mm
Skin Diver Slim CMM.2047mm
Power Reserve
Blakjak Time-elapse42h
Skin Diver Slim CMM.2040h
Water Resistance
Blakjak Time-elapse200m
Skin Diver Slim CMM.20200m
MSRP
Blakjak Time-elapse$895
Skin Diver Slim CMM.20$2,117

Full specifications

Case

5 specs
Diameter
42.5mm
47mm
Thickness
13.2mm
10mm
Lug-to-Lug
49mm
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Steel
Lume
Superluminova
None

Movement

2 specs
Caliber
SII NH36
Yema CMM.20
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$895
$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.

Tornek-Rayville Blakjak Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

Yema Skin Diver Slim CMM.20

Owners and reviewers widely praise the Yema Skin Diver Slim CMM.20 for its balanced 39mm case, vintage aesthetic, and unique champagne dial. The proprietary CMM.20 micro-rotor movement is a notable feature, though some owners report potential QC issues including erratic timegrapher readings and second-hand stutter. The lume is described as subdued, and while some find the "dragon scale" bracelet beautiful, others consider it generic. The price point is a hurdle for some, and the stamped clasp quality is considered subpar by one reviewer, with a gap noted by an owner. The lack of hacking seconds is flagged as a drawback at its price. Overall, owners and reviewers rate the Yema Skin Diver Slim CMM.20 highly for its vintage charm and balanced wearability.

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