Side by side

Ferro Time Master 70vsYema Navygraf CMM.10

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

Time Master 70
FerroTime Master 70
MSRP $685
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

10 of 29 specs differ
Diameter
Time Master 7047mm
Navygraf CMM.1039mm
Power Reserve
Time Master 7040h
Navygraf CMM.1040h
Water Resistance
Time Master 7050m
Navygraf CMM.10100m
MSRP
Time Master 70$685
Navygraf CMM.10$1,899

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
47mm
39mm
Thickness
13mm
11mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
19mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Gold
Standard

Movement

1 specs
Caliber
Miyota 9039
Yema CMM.10

Pricing

1 specs
MSRP
$685
$1,899

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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.

Ferro Time Master 70

The Ferro Time Master 70 is praised for its distinctive 1970s-inspired polygon case and visually striking silver dial with orange accents and unique lume colors. Owners appreciate the retro design with unique touches, clean dial, and lumed markers, along with the smooth winding of the Miyota 9039 movement. Its 39mm diameter, 10.4mm thickness, and 47mm lug-to-lug dimensions contribute to comfortable wearability, further enhanced by a well-executed faux-single link bracelet featuring a practical on-the-fly micro-adjustment clasp. On balance, owners and reviewers rate the Ferro Time Master 70 highly for its retro design and comfortable wearability.

Yema Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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