Side by side

Sugess MoonPhase Master S394vsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

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

MoonPhase Master S394
SugessMoonPhase Master S394
MSRP $449

At a glance

15 of 29 specs differ
Diameter
MoonPhase Master S39440mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
MoonPhase Master S39445h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
MoonPhase Master S39450m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
MoonPhase Master S394$449
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

6 specs
Diameter
40mm
42mm
Thickness
13mm
14.6mm
Lug-to-Lug
46mm
49.5mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Water Resistance
50m
100m
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Case Black
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Seagull ST21
8R48
Beat Rate
3 vph
28,800 vph
Jewels
25
34
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$449
$2,500

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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.

Sugess MoonPhase Master S394

Owners widely praise the Sugess MoonPhase Master S394 for its impressive value, offering multiple complications at a sub-$200 price point, with one owner highlighting its deep blue dial and applied markers. While one owner finds the 14mm thickness acceptable and wearable, another notes the included straps are subpar and the movement finishing is rough under magnification. The long lugs can also create a noticeable gap with the strap. On balance, owners rate the Sugess MoonPhase Master S394 highly for the significant complications and aesthetic appeal it delivers at its accessible price.

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

Owners widely praise the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition for its refined presence and intricate dial patterns, with some favoring its unique red dial and steel bezel over other Speedtimer models. However, some owners criticize the 24-hour subdial as useless, the date window as recessed, and the stock bracelet as difficult to fit, while others find the pushers stick out too much. One owner notes the $995 price point is high for the 6R55 movement, suggesting a lower range, though others appreciate the Seiko finishing and charm. On balance, owners rate the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition well for its unique aesthetic and finishing, despite some functional and value concerns.

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