Side by side

Grand Seiko SBGA413vsSpinnaker Cahill Automatic

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

SBGA413
Grand SeikoSBGA413
MSRP $7,200
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

13 of 29 specs differ
Diameter
SBGA41340mm
Cahill Automatic42mm
Power Reserve
SBGA41372h
Cahill Automatic40h
Water Resistance
SBGA413100m
Cahill Automatic200m
MSRP
SBGA413$7,200
Cahill Automatic$350

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
40mm
42mm
Thickness
12.8mm
13.7mm
Lug-to-Lug
47mm
51mm
Lug Width
21mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Green

Movement

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

Pricing

1 specs
MSRP
$7,200
$350

Follow this matchup

Get a note when Grand Seiko SBGA413 vs Spinnaker Cahill Automatic 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 SBGA413

Grand Seiko SBGA413 owners and reviewers widely praise its captivating dial, particularly its subtle artistry, and the mesmerizing Spring Drive movement's reliability and unparalleled mechanical accuracy, with some noting their Spring Drive watches run within half a second per day. The 40mm titanium case, featuring intricate geometries and a satin brush finish, is also highlighted, as are the Zaratsu-polished surfaces. Legibility is considered excellent, even with silver hands on the pink dial. On balance, owners and reviewers rate the Grand Seiko SBGA413 highly for its beautiful dial and the Spring Drive movement's accuracy and refinement.

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.

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.