Seiko Prospex SPEEDTIMER Mechanical ChronographvsU-Boat CHIMERA 46MM CHRONO SS

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Prospex SPEEDTIMER Mechanical Chronograph
SeikoProspex SPEEDTIMER Mechanical Chronograph

MSRP $2,500

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CHIMERA 46MM CHRONO SS
U-BoatCHIMERA 46MM CHRONO SS

Ref. chimera-46mm-chrono-ss-blu·MSRP $5,850

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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.

Seiko Prospex SPEEDTIMER Mechanical Chronograph at true scale

Prospex SPEEDTIMER Mechanical Chronograph

U-Boat CHIMERA 46MM CHRONO SS at true scale

CHIMERA 46MM CHRONO SS

Diameter

42mm

46mm

Lug-to-Lug

49.5mm

n/a

Thickness

14.6mm

n/a

Water Resistance

100m

100m

Power Reserve

45h

62h

highest

MSRP

$2,500

lowest

$5,850

Movement

Seiko 8R48

Sellita SW500

Case

4 specs
Diameter
42mm
46mm
Thickness
14.6mm
n/a
Lug-to-Lug
49.5mm
n/a
Lug Width
20mm
22mm

Crystal & Dial

4 specs
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
n/a
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
Seiko 8R48
Sellita SW500
Power Reserve
45h
62h
Jewels
34
0

Pricing

1 specs
MSRP
$2,500
$5,850
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