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NIMA Watches NIMA GMT (NH34)vsSeestern S446 GMT

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

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.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

At a glance

15 of 29 specs differ
Diameter
NIMA GMT (NH34)39mm
S446 GMT39.5mm
Power Reserve
NIMA GMT (NH34)40h
S446 GMT41hh
Water Resistance
NIMA GMT (NH34)200m
S446 GMT100m
MSRP
NIMA GMT (NH34)$636
S446 GMT$299

Full specifications

Case

7 specs
Category
GMT
Diameter
39mm
39.5mm
Thickness
12.8mm
13mm
Lug-to-Lug
46.2mm
47mm
Lug Width
20mm
20mm
Material
Stainless Steel (Black PVD)
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal Shape
Flat
Domed
Dial Color
Anthracite Grey
Cream

Movement

5 specs
Caliber
Seiko NH34
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41hh
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$636
$299
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