Side by side

Seestern S446 GMTvsYema Pearldiver

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

S446 GMT
SeesternS446 GMT
MSRP $299
Pearldiver
YemaPearldiver
MSRP $491

At a glance

12 of 29 specs differ
Diameter
S446 GMT39.5mm
Pearldiver38mm
Power Reserve
S446 GMT41hh
Pearldiver40h
Water Resistance
S446 GMT100m
Pearldiver100m
MSRP
S446 GMT$299
Pearldiver$491

Full specifications

Case

4 specs
Category
GMT
Diver
Diameter
39.5mm
38mm
Thickness
13mm
14mm
Lug-to-Lug
47mm
46mm

Crystal & Dial

2 specs
Crystal Shape
Domed
Flat
Dial Color
Cream
Steel

Movement

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

Pricing

1 specs
MSRP
$299
$491

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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.

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.

Yema Pearldiver

Owners widely praise the Yema Pearldiver's vintage aesthetic, clean dial, and sub-40mm dimensions with short lug-to-lug, noting its in-house movement and solid build quality. Accuracy figures range from dead-on at 0 seconds per day to +2 seconds per day, though some owners have reported dead-on-arrival movements requiring returns. The bracelet clasp is described by one owner as "pretty cheap." Some find the design pedestrian and lacking uniqueness, with the faux lume color noted as too dark by one commenter. Overall, owners rate the Yema Pearldiver highly for its vintage appeal and wearable dimensions at the price.

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