Side by side

Grand Seiko SBGM245vsSpinnaker Cahill Automatic

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

11 of 29 specs differ
Diameter
SBGM24540.5mm
Cahill Automatic42mm
Power Reserve
SBGM24572h
Cahill Automatic40h
Water Resistance
SBGM245200m
Cahill Automatic200m
MSRP
SBGM245$6,100
Cahill Automatic$350

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40.5mm
42mm
Thickness
14.4mm
13.7mm
Lug-to-Lug
48.6mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Green

Movement

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

Pricing

1 specs
MSRP
$6,100
$350

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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 Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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