Side by side

Sinn 6012vsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

What people say

Owners + reviewers, side by side

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

Sinn 6012

The Sinn 6012 is a handsome, complicated chronograph featuring five dial-side complications, including a moon phase, built on a modified ETA 7751 movement. Reviewers note its clean dial offers good legibility, though one wished for a red accent on the date pointer. One long-time enthusiast considers the Frankfurt series, including the 6012, to be overpriced. The 14.5mm thickness makes it a slightly tall dress option. Overall, owners and reviewers find the Sinn 6012 to be a well-executed, complicated chronograph, with the primary reservation being its perceived value.

Seiko Prospex SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

At a glance

18 of 29 specs differ
Diameter
601241.5mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
601238h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
6012100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
6012$5,929
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

7 specs
Category
Tool
Chronograph
Diameter
41.5mm
42mm
Thickness
14.5mm
14.6mm
Lug-to-Lug
49.5mm
Lug Width
22mm
20mm
Finish
polished
Caseback

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
Luminescent
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SINN movement SZ06
8R48
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
45h
Jewels
25
34
Complications
Chronograph, Date, Day-Date
None

Pricing

1 specs
MSRP
$5,929
$2,500
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