Side by side

Spinnaker Bradner GMTvsTissot Rockwatch

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

Bradner GMT
SpinnakerBradner GMT
MSRP $299
Rockwatch
TissotRockwatch
MSRP $1,225

At a glance

13 of 29 specs differ
Diameter
Bradner GMT42mm
Rockwatch38mm
Power Reserve
Bradner GMT40h
Rockwatch40h
Water Resistance
Bradner GMT180m
Rockwatch100m
MSRP
Bradner GMT$299
Rockwatch$1,225

Full specifications

Case

7 specs
Category
GMT
Sport
Diameter
42mm
38mm
Thickness
15mm
8.6mm
Lug-to-Lug
50mm
38mm
Lug Width
22mm
9mm
Material
316L Stainless Steel
Stone
Water Resistance
180m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Brown
No dial

Movement

2 specs
Caliber
Seiko NH34A
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$299
$1,225

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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.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

Tissot Rockwatch

The Tissot Rockwatch is widely praised for its innovative use of solid Swiss granite for the case and dial, with each piece featuring a unique pattern derived from materials like the Jungfrau mountain. Reviewers highlight its quirky charm, tactile experience, and historical significance as a business success for Tissot during a difficult period. The 38mm case size and short lug-to-lug measurement contribute to its wearability. However, the included black leather strap is considered decent at best and could be improved. Overall, reviewers celebrate the Tissot Rockwatch for its unique material, historical importance, and distinctive aesthetic.

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