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Seiko Prospex Sea 1965 Heritage Diver's WatchvsSugess Tourbillon Master SU8001

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

Tourbillon Master SU8001
SugessTourbillon Master SU8001
MSRP $999
What people say

Owners + reviewers, side by side

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

Seiko Prospex Sea 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

Sugess Tourbillon Master SU8001

Owners widely praise the Sugess Tourbillon Master for its accessible tourbillon complication and value, with one owner noting an initial accuracy of +2 seconds per day. However, community feedback flags a winding stem that feels flimsy and straps that are considered poor, featuring a comically large buckle. Some owners report a degradation in accuracy to around -20 seconds per day after a month, and the steel case edges are described as rounded with the material proving soft and prone to scratching. On balance, owners view the Sugess Tourbillon Master as a remarkable value for its tourbillon feature, despite concerns regarding strap quality and long-term material durability.

At a glance

18 of 29 specs differ
Diameter
Prospex Sea 1965 Heritage Diver's Watch40mm
Tourbillon Master SU800141mm
Power Reserve
Prospex Sea 1965 Heritage Diver's Watch72h
Tourbillon Master SU800140h
Water Resistance
Prospex Sea 1965 Heritage Diver's Watch300m
Tourbillon Master SU800150m
MSRP
Prospex Sea 1965 Heritage Diver's Watch$1,300
Tourbillon Master SU8001$999

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
40mm
41mm
Thickness
13mm
10mm
Lug-to-Lug
46.4mm
46mm
Lug Width
20mm
10mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
300m
50m
Caseback
Solid
Display

Crystal & Dial

3 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

6 specs
Caliber
6R55
Seagull ST8000
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
72h
40h
Jewels
24
25
Complications
None
GMT, Moonphase, Date, Power reserve indicator

Pricing

1 specs
MSRP
$1,300
$999
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