Which is bigger, the Tornek-Rayville TR-660 Sapphire Non-date or the Yema Superman Worldtime GMT?

The Tornek-Rayville TR-660 Sapphire Non-date wears larger at 40mm versus 39mm for the Yema Superman Worldtime GMT — a 1mm difference across the dial.

Which has better water resistance, the Tornek-Rayville TR-660 Sapphire Non-date or the Yema Superman Worldtime GMT?

The Yema Superman Worldtime GMT is rated to 300m versus 200m for the Tornek-Rayville TR-660 Sapphire Non-date.

Which has a longer power reserve, the Tornek-Rayville TR-660 Sapphire Non-date or the Yema Superman Worldtime GMT?

The Tornek-Rayville TR-660 Sapphire Non-date carries a 50-hour power reserve against 40 hours on the Yema Superman Worldtime GMT.

Side by side

Tornek-Rayville TR-660 Sapphire Non-datevsYema Superman Worldtime GMT

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

The bottom line

The 39mm Superman Worldtime GMT wears 1mm narrower than the 40mm TR-660 Sapphire Non-date.

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 TR-660 Sapphire Non-date

Owners widely praise the Tornek-Rayville TR-660 for its quality, good timekeeping, and suitability as a military diver reissue. The 40mm bead-blasted 316L stainless steel case, sapphire bezel inlay, and Arclite Super LumiNova are noted features, powered by a Japanese TMI NH38 automatic movement and water-resistant to 20 ATMs. Some owners suggest alternatives due to availability issues with the small-batch releases. Overall, owners rate the Tornek-Rayville TR-660 highly for its faithful reissue design and quality build at its price point.

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Yema Superman Worldtime GMT

Owners widely praise the Yema Superman Worldtime GMT for its premium feel, unique bezel-lock mechanism, and attractive domed crystal. Some owners note the aluminum bezel insert is less desirable than ceramic and report the bracelet clasp can be stiff or difficult to open. Inconsistent quality control and poor customer service have been flagged by some owners. On balance, owners value the Yema Superman Worldtime GMT for its distinctive features and comfortable wearability.

From video reviewers

The "Coke" bezel and maxi dial are attractive design elements. The in-house automatic GMT movement is a French alternative to pricier GMTs.

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Where to get them

Check prices & track

Tornek-Rayville TR-660 Sapphire Non-date

Visit Tornek-Rayville Check price on eBayaffiliate

Yema Superman Worldtime GMT

MSRP $1,549

Visit Yema Check price on eBayaffiliate

Tornek-Rayville TR-660 Sapphire Non-date

tr-660-w-sapphire-inlay-1201-non-date-3167895

Yema Superman Worldtime GMT

YGMT21B39-CMS

MSRP $1,549

At a glance

11 of 29 specs differ

Diameter

TR-660 Sapphire Non-date40mm

Superman Worldtime GMT39mm

Power Reserve

TR-660 Sapphire Non-date50h

Superman Worldtime GMT40h

Water Resistance

TR-660 Sapphire Non-date200m

Superman Worldtime GMT300m

MSRP

TR-660 Sapphire Non-date—

Superman Worldtime GMT$1,549

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

39mm Automatic

Lume

Superluminova

None

Movement

2 specs

Caliber

TMI NH38

—

Power Reserve

50h

40h

Pricing

1 specs

MSRP

—

$1,549

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