Side by side

Grand Seiko SBGM245vsSpinnaker Spence 300

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

11 of 29 specs differ
Diameter
SBGM24540.5mm
Spence 30040mm
Power Reserve
SBGM24572h
Spence 30040h
Water Resistance
SBGM245200m
Spence 300300m
MSRP
SBGM245$6,100
Spence 300$650

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40.5mm
40mm
Thickness
14.4mm
11.5mm
Lug-to-Lug
48.6mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Aquamarine

Movement

2 specs
Caliber
9S66
SII NH35A
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$6,100
$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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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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