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 $475

At a glance

13 of 29 specs differ
Diameter
Bradner GMT42mm
Diamond Collection27mm
Power Reserve
Bradner GMT40h
Diamond Collection40h
Water Resistance
Bradner GMT180m
Diamond Collection50m
MSRP
Bradner GMT$299
Diamond Collection$475

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
42mm
27mm
Thickness
15mm
7.5mm
Lug-to-Lug
50mm
46mm
Lug Width
22mm
6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
180m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Brown
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko NH34A
V137
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$299
$475

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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

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial, which reviewers note is difficult to photograph accurately. The watch is frequently cited as offering excellent value for its fit and finish, with specific features like sapphire crystal and 100m water resistance contributing to its appeal. One owner reports great durability and accuracy, with a solar charging reserve, though notes that the gold plating on the bracelet shows some fading from desk work. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and perceived value.

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