Side by side

Spinnaker Bradner GMTvsSeiko Diamond Collection

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

Bradner GMT
SpinnakerBradner GMT
MSRP $299
Diamond Collection
SeikoDiamond Collection
MSRP $525

At a glance

11 of 29 specs differ
Diameter
Bradner GMT42mm
Diamond Collection30mm
Power Reserve
Bradner GMT40h
Diamond Collection40h
Water Resistance
Bradner GMT180m
Diamond Collection50m
MSRP
Bradner GMT$299
Diamond Collection$525

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
30mm
Thickness
15mm
6.3mm
Lug-to-Lug
50mm
36.5mm
Lug Width
22mm
5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
180m
50m

Crystal & Dial

1 specs
Dial Color
Brown
Black

Movement

2 specs
Caliber
Seiko NH34A
7N01
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$299
$525

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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.

Seiko Diamond Collection

The Seiko Diamond Collection is widely praised by owners for its stunning beauty, featuring 14 diamonds, a mother-of-pearl dial, and a two-tone color scheme. Reviewers note its dial is difficult to capture in photos and that its fit and finish suggest excellent value, especially when purchased on sale. One owner describes the gold plating on the bracelet showing some fading from desk work, and its gold tone may not suit all tastes. Overall, owners rate the Seiko Diamond Collection highly for its striking aesthetics and perceived value.

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