Side by side

Grand Seiko SLGW005vsSpinnaker Tesei Mille Metri GMT

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

SLGW005
Grand SeikoSLGW005
MSRP $9,700
Tesei Mille Metri GMT
SpinnakerTesei Mille Metri GMT
MSRP $559

At a glance

12 of 29 specs differ
Diameter
SLGW00538.8mm
Tesei Mille Metri GMT44mm
Power Reserve
SLGW00580h
Tesei Mille Metri GMT40h
Water Resistance
SLGW00530m
Tesei Mille Metri GMT1,000m
MSRP
SLGW005$9,700
Tesei Mille Metri GMT$559

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38.8mm
44mm
Thickness
10.4mm
16mm
Lug-to-Lug
43.7mm
52mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
1000m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

3 specs
Caliber
9SA4
Seiko NH34A
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$9,700
$559

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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 SLGW005

The Grand Seiko SLGW005 is lauded for its faithful recreation of the 1968 45GS, featuring a desirable double-signed dial and a beautifully finished case adhering to the Grammar of Design. It is powered by the new 9SA4 manual-winding, high-beat movement, offering an 80-hour power reserve and a mean daily rate of -3/+5 seconds. Owners consider it a "gloriously perfect" and "pure and elegant expression" of Grand Seiko's strengths, with one owner preferring its creamy dial over a more pronounced beige found on other models. Overall, owners and reviewers rate the Grand Seiko SLGW005 highly for its elegant design and impressive high-beat movement.

Spinnaker Tesei Mille Metri GMT

The Spinnaker Fleuss Midnight Black features a reliable and accurate Japanese TMI NH35 Automatic Movement with 3 Hands and Date. A potential drawback is the watch's relatively low 15 ATM water-resistance rating compared to other watches in its class. Reviewers disagree on the watch's suitability for larger wrists, with one reviewer noting a 43mm diameter and 51mm lug-to-lug fit, while the other mentions a 51mm lug-to-lug measurement.

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