Which is cheaper, the Core Timepieces STONED or the Gruppo Gamma Field III GMT Date?

At MSRP the Gruppo Gamma Field III GMT Date is the cheaper of the two at $459, against $549 for the Core Timepieces STONED — a $90 gap before any retailer discounting.

Which is bigger, the Core Timepieces STONED or the Gruppo Gamma Field III GMT Date?

The Core Timepieces STONED wears larger at 42mm versus 40mm for the Gruppo Gamma Field III GMT Date — a 2mm difference across the dial.

Which has better water resistance, the Core Timepieces STONED or the Gruppo Gamma Field III GMT Date?

The Core Timepieces STONED is rated to 300m versus 200m for the Gruppo Gamma Field III GMT Date.

What movement does the Core Timepieces STONED run compared to the Gruppo Gamma Field III GMT Date?

Both watches run automatic movements — the Core Timepieces STONED uses the Seiko NH36A and the Gruppo Gamma Field III GMT Date uses the Seiko Instruments NH38A.

Side by side

Core Timepieces STONEDvsGruppo Gamma Field III GMT Date

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

Add a watch

Core Timepieces STONED

MSRP $549

Gruppo Gamma Field III GMT Date

venturo-gmt-date

MSRP $459

Buy from Core Timepieces ↗

Buy used on eBay ↗

Buy from Gruppo Gamma ↗

Buy used on eBay ↗

At a glance

14 of 29 specs differ

Diameter

STONED42mm

Field III GMT Date40mm

Power Reserve

STONED—

Field III GMT Date41h

Water Resistance

STONED300m

Field III GMT Date200m

MSRP

STONED$549

Field III GMT Date$459

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Malachite Gemstone

Black

Lume

None

Super-LumiNova

Movement

3 specs

Caliber

Seiko NH36A

Seiko Instruments NH38A

Power Reserve

—

41h

Complications

None

GMT, Date

Pricing

1 specs

MSRP

—

$459

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Filippo Loreti Watchesmicro

Neptune Automatic

2 variantsRef. neptune-automatic-black

43mm·Automatic·200m WR

$260MSRP

—Used

Christopher Wardmicro

Sealander

C63 Sealander Extreme GMT

6 watches · 19 variantsSealander

40mm·Automatic·150m WR

Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26

7 watches · 7 variantsDive Watches Guide

42mm·Automatic·200m WR

$420MSRP

—Used

Christopher Wardmicro

Follow this matchup

Get a note when Core Timepieces STONED vs Gruppo Gamma Field III GMT Date gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Filippo Loreti Watches Neptune AutomaticvsGruppo Gamma Field III GMT Date Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26vsGruppo Gamma Field III GMT Date Islander Ice Blue Waffle Dial Automatic Dive Watch with AR DD Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-67vsGruppo Gamma Field III GMT Date Islander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34vsGruppo Gamma Field III GMT Date Core Timepieces STONEDvsGruppo Gamma Field III GMT Christopher Ward C63 Sealander Extreme GMTvsCore Timepieces STONED

Edit this comparison Add another watch Explore more 39–43mm watches

Core Timepieces STONEDvsGruppo Gamma Field III GMT Date

At a glance

Full specifications

More watches worth a look

Neptune Automatic

C63 Sealander Extreme GMT

Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26

C65 Aquitaine GMT

Togiak Expedition UTC

Original Sin

Spearfish GMT

Rec Spec

Follow this matchup

People also compared