Side by side

Grand Seiko SBGA481vsSpinnaker Spence 300

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

SBGA481
Grand SeikoSBGA481
MSRP $11,100
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

12 of 29 specs differ
Diameter
SBGA48144.5mm
Spence 30040mm
Power Reserve
SBGA48172h
Spence 30040h
Water Resistance
SBGA481200m
Spence 300300m
MSRP
SBGA481$11,100
Spence 300$650

Full specifications

Case

6 specs
Diameter
44.5mm
40mm
Thickness
14.3mm
11.5mm
Lug-to-Lug
50mm
48mm
Lug Width
23mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Aquamarine

Movement

3 specs
Caliber
9R65
SII NH35A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$11,100
$650

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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.

Grand Seiko SBGA481

Grand Seiko SBGA481 owners praise its light titanium case and sharp finishing, with one owner reporting it runs perfectly. Reviewers describe the SBGA481 as an unapologetically Grand Seiko creation with a unique hour hand and a "geeky, techy vibe" that some find daring. On balance, the consensus is that the Grand Seiko SBGA481 is a fun and daring watch that showcases the brand's distinctive design language.

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.

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