Side by side

NIMA Watches NIMA GMT (NH34)vsSeiko Prospex Sea

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

NIMA GMT (NH34)
NIMA WatchesNIMA GMT (NH34)
MSRP $636
Prospex Sea
SeikoProspex Sea
MSRP $900
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

NIMA Watches NIMA GMT (NH34)

Owners widely praise the NIMA Watches NIMA GMT (NH34) for its value, with some finding the fit and finish excellent and the adjustable clasp superior to others. The Seiko NH34 movement is noted for allowing the GMT hand to set without interrupting the seconds hand and for fitting into NH-compatible cases. One owner highlights the strong and long-lasting lume on the hands. However, some owners find the bezel too busy or chunky, and there is a desire for larger sizing options. The use of acrylic crystals on watches priced around $600 is criticized as not premium. Accuracy figures vary, with some owners questioning theirs while others find it great for the money. Overall, owners rate the NIMA Watches NIMA GMT (NH34) highly for its value and functional GMT hand, despite some aesthetic criticisms.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

At a glance

14 of 29 specs differ
Diameter
NIMA GMT (NH34)39mm
Prospex Sea41mm
Power Reserve
NIMA GMT (NH34)40h
Prospex Sea70h
Water Resistance
NIMA GMT (NH34)200m
Prospex Sea200m
MSRP
NIMA GMT (NH34)$636
Prospex Sea$900

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
41mm
Thickness
12.8mm
12.3mm
Lug-to-Lug
46.2mm
46.9mm
Lug Width
20mm
20mm
Material
Stainless Steel (Black PVD)
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Anthracite Grey
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH34
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$636
$900
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