Maurice de Mauriac Racquet Rallymaster IVvsSeiko King Seiko KSK

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Maurice de Mauriac Racquet Rallymaster IV at true scale

Racquet Rallymaster IV

Seiko King Seiko KSK at true scale

King Seiko KSK

Diameter

39mm

38.6mm

Lug-to-Lug

n/a

45.8mm

Thickness

12mm

10.7mm

lowest

Water Resistance

100m

highest

50m

Power Reserve

40h

45h

highest

MSRP

$2,400

lowest

$3,300

Movement

Landeron 24

Seiko 6L35

Case

6 specs
Diameter
39mm
38.6mm
Thickness
12mm
10.7mm
Lug-to-Lug
n/a
45.8mm
Lug Width
n/a
19mm
Material
Black PVD Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

4 specs
Crystal
Anti-reflective Sapphire
Sapphire
Crystal Shape
n/a
Box
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Black
n/a

Movement

3 specs
Caliber
Landeron 24
Seiko 6L35
Power Reserve
40h
45h
Jewels
0
26

Pricing

1 specs
MSRP
$2,400
$3,300
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Reviews

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

Maurice de Mauriac Racquet Rallymaster IV

The Maurice de Mauriac Racquet Rallymaster IV is praised for its sporty intent, daily wearer appeal, and unique character. Owners and reviewers highlight its wearable 39mm size and the distinctive design, often noting the vibrant dial accents and tennis-themed motifs. Some sources mention the Landeron 24 automatic movement and a power reserve of approximately 40 hours. The watch is available in a black PVD case or stainless steel, with prices ranging from $1,950 to $2,750 or CHF 2,200. On balance, owners and reviewers rate the Maurice de Mauriac Racquet Rallymaster IV highly for its playful design and comfortable wearability.

Seiko King Seiko KSK

The Seiko King Seiko KSK is praised for its slim, retro design with sharply faceted lugs and well-executed dials, featuring a mix of brushed and polished finishes. Owners and reviewers consistently highlight the Grand Seiko-level dial and case finishing, the double-bevel sapphire crystal, and an unusually nice bracelet. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day and another noting +15/-10 seconds per day for the 6L35 movement. Some owners question the value proposition at its price point, particularly when considering the movement. Overall, owners and reviewers appreciate the King Seiko KSK for its refined retro aesthetic and high-quality finishing, despite some reservations about its price and movement in certain configurations.