Side by side

Grand Seiko SBGZ011vsSpinnaker Spence 300

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

SBGZ011
Grand SeikoSBGZ011
MSRP $84,000
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

12 of 29 specs differ
Diameter
SBGZ01140mm
Spence 30040mm
Power Reserve
SBGZ01184h
Spence 30040h
Water Resistance
SBGZ01130m
Spence 300300m
MSRP
SBGZ011$84,000
Spence 300$650

Full specifications

Case

6 specs
Category
Dress
Diver
Thickness
9.6mm
11.5mm
Lug-to-Lug
45.2mm
48mm
Lug Width
19mm
20mm
Material
Platinum
316L Stainless Steel
Water Resistance
30m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Aquamarine

Movement

3 specs
Caliber
9R02
SII NH35A
Type
Spring Drive
Automatic
Power Reserve
84h
40h

Pricing

1 specs
MSRP
$84,000
$650

Follow this matchup

Get a note when Grand Seiko SBGZ011 vs Spinnaker Spence 300 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SBGZ011

Grand Seiko SBGZ011 owners widely praise its in-person beauty and the finest Zaratsu polishing, noting that photos do not capture its artistry. Some owners find the framed logo and lettering detract from the dial's balance, and a few describe the watch as too flashy or "bling" for their taste, with one owner feeling its design deviates from Grand Seiko's ethos. The strap is also widely disliked. Overall, owners rate the Grand Seiko SBGZ011 highly for its stunning Zaratsu polishing and unique, beautiful in-person presence, despite some finding it overly flashy.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.