Side by side

Seestern S446 GMTvsShiro Kara Daibāzu: Hulk SUB

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.

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.

Shiro Kara Daibāzu: Hulk SUB

Owners widely praise the Shiro Kara Daibāzu: Hulk SUB for its dial printing, date wheel, and bezel action. One owner confirmed the watch remained waterproof after five days. However, some owners report minor issues such as a slightly off-centered 12 marker or dissatisfaction with bracelet quality, while another felt the crystal was not the best but still looked great. Overall, owners rate the Shiro Kara Daibāzu: Hulk SUB highly for its strong dial and bezel presentation at the price point.

At a glance

13 of 29 specs differ
Diameter
S446 GMT39.5mm
Daibāzu: Hulk SUB40mm
Power Reserve
S446 GMT41hh
Daibāzu: Hulk SUB41h
Water Resistance
S446 GMT100m
Daibāzu: Hulk SUB100m
MSRP
S446 GMT$299
Daibāzu: Hulk SUB$508

Full specifications

Case

5 specs
Category
GMT
Diameter
39.5mm
40mm
Thickness
13mm
13.2mm
Lug-to-Lug
47mm
48mm
Material
316L Stainless Steel
904L Stainless Steel

Crystal & Dial

2 specs
Crystal Shape
Domed
Flat
Dial Color
Cream

Movement

5 specs
Caliber
Seiko NH34A GMT
NH35
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
41h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$508
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