Side by side

Spinnaker Bradner GMTvsTraska Summiteer Charcoal

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

Bradner GMT
SpinnakerBradner GMT
MSRP $299
Summiteer Charcoal
TraskaSummiteer Charcoal
MSRP $700

At a glance

16 of 29 specs differ
Diameter
Bradner GMT42mm
Summiteer Charcoal40mm
Power Reserve
Bradner GMT40h
Summiteer Charcoal42h
Water Resistance
Bradner GMT180m
Summiteer Charcoal100m
MSRP
Bradner GMT$299
Summiteer Charcoal$700

Full specifications

Case

8 specs
Category
GMT
Field
Diameter
42mm
40mm
Thickness
15mm
12mm
Lug-to-Lug
50mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
180m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Brown
Burgundy
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Seiko NH34A
9039
Power Reserve
40h
42h
Jewels
25
24
Complications
None
Chronograph

Pricing

1 specs
MSRP
$299
$700

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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.

Traska Summiteer Charcoal

Owners widely praise the Traska Summiteer Charcoal for its comfortable 38.5mm size, short lugs, clean dial, and proud crystal, with some noting its excellent fit and finish and smooth winding action. Timekeeping averages +2 seconds per day, and the hardened steel treatment is a valued addition. Some owners find the dial plain and prefer textured alternatives, and one owner experienced dial alignment issues with a recent Traska release. The bracelet is criticized by some for being noisy, sagging, and having a clasp with rough edges, though others praise its on-the-fly micro-adjustment. On balance, owners rate the Traska Summiteer Charcoal highly for its overall package and value proposition at its price point.

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