Side by side

Grand Seiko SBGM245vsSpinnaker Challenger Automatic

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

11 of 29 specs differ
Diameter
SBGM24540.5mm
Challenger Automatic42mm
Power Reserve
SBGM24572h
Challenger Automatic40h
Water Resistance
SBGM245200m
Challenger Automatic200m
MSRP
SBGM245$6,100
Challenger Automatic$289

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40.5mm
42mm
Thickness
14.4mm
19mm
Lug-to-Lug
48.6mm
49.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Blue

Movement

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

Pricing

1 specs
MSRP
$6,100
$289

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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 Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

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