Side by side

Sheffield GMTvsSynchron SEALAB Ti300M

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

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GMT
SheffieldGMT
SEALAB Ti300M
SynchronSEALAB Ti300M
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Buy used on eBay ↗
Buy from Synchron ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
GMT40mm
SEALAB Ti300M41mm
Power Reserve
GMT—
SEALAB Ti300M60h
Water Resistance
GMT200m
SEALAB Ti300M300m
MSRP
GMT—
SEALAB Ti300M—

Full specifications

Case

7 specs
Category
GMT
—
Diameter
40mm
41mm
Thickness
13mm
11.9mm
Lug-to-Lug
48mm
45mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Blue
—

Movement

2 specs
Caliber
Seiko NH34
La Joux-Perret G100
Power Reserve
—
60h
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