Side by side

Boldr Odyssey FreedivervsSugess Seestern Heritage S436-2 BB GMT

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

Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Odyssey Freediver40mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
Odyssey Freediver40h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
Odyssey Freediver300m
Seestern Heritage S436-2 BB GMT10m
MSRP
Odyssey Freediver$649
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

3 specs
Category
Diver
GMT
Thickness
14.2mm
12.2mm
Water Resistance
300m
10m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
202
Black
Lume
Super-LumiNova
Tritium

Movement

4 specs
Caliber
Cal
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$649
$299

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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.

Boldr Odyssey Freediver

The Boldr Odyssey Freediver is praised for its bead-blasted steel case with polished bevels and a custom steel bracelet designed for wrist curvature. Reviewers note its strong legibility, applied details, and vintage-inspired date window on fresh dial colors. The 44mm case is surgical-grade steel with a brushed finish and angular lugs, water-resistant to 300 meters. It houses a Miyota 9075 movement with a jumping local hour function. On balance, reviewers highlight the Boldr Odyssey Freediver's thoughtful case finishing and functional movement with a local hour complication.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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