Side by side

Spinnaker Tesei Mille Metri GMTvsSeiko Prospex Sea

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

Tesei Mille Metri GMT
SpinnakerTesei Mille Metri GMT
MSRP $559
Prospex Sea
SeikoProspex Sea
MSRP $595

At a glance

13 of 29 specs differ
Diameter
Tesei Mille Metri GMT44mm
Prospex Sea41.7mm
Power Reserve
Tesei Mille Metri GMT40h
Prospex Sea41h
Water Resistance
Tesei Mille Metri GMT1,000m
Prospex Sea200m
MSRP
Tesei Mille Metri GMT$559
Prospex Sea$595

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
44mm
41.7mm
Thickness
16mm
12.3mm
Lug-to-Lug
52mm
49.5mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
1000m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH34A
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$559
$595

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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.

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.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

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