Side by side

Christopher Ward C1 Moonphase 37vsSeiko Prospex Sea The Black Series

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

C1 Moonphase 37
Christopher WardC1 Moonphase 37
MSRP $3,050
Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765
What people say

Owners + reviewers, side by side

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

Christopher Ward C1 Moonphase 37

Owners widely praise the Christopher Ward C1 Moonphase 37 for its aventurine dial and moon display, with one user awarding it a perfect score for its celestial theme. However, the lack of hour markers and lume-less hands make time-telling difficult, and hands can disappear against the dial. The COSC-certified movement averages +2.3 seconds per day, and the bracelet clasp is noted for comfort. The moonphase complication itself is reported by one owner to be inaccurate despite manufacturer attempts to correct it, though other users view such complications as primarily decorative. The 38-hour power reserve is considered short. Overall, owners rate the Christopher Ward C1 Moonphase 37 highly for its striking aventurine dial and moon focus, despite challenges with legibility and the practical accuracy of its moonphase complication.

Seiko Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

At a glance

16 of 29 specs differ
Diameter
C1 Moonphase 3744.07mm
Prospex Sea The Black Series45mm
Power Reserve
C1 Moonphase 3738h
Prospex Sea The Black Series41h
Water Resistance
C1 Moonphase 3730m
Prospex Sea The Black Series200m
MSRP
C1 Moonphase 37$3,050
Prospex Sea The Black Series$765

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
44.07mm
45mm
Thickness
13.1mm
13.2mm
Lug-to-Lug
44.07mm
47.7mm
Lug Width
20mm
22mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
SLN X1 WL C1
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
SW220
4R36
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
41h
Jewels
26
24
Complications
Moonphase
None

Pricing

1 specs
MSRP
$3,050
$765
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