Side by side

Nivada Grenchen Chronomaster ManualvsSeiko Prospex SPEEDTIMER

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

Chronomaster Manual
Nivada GrenchenChronomaster Manual
MSRP $1,975
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000

At a glance

13 of 29 specs differ
Diameter
Chronomaster Manual38mm
Prospex SPEEDTIMER42.5mm
Power Reserve
Chronomaster Manual45h
Prospex SPEEDTIMER45h
Water Resistance
Chronomaster Manual100m
Prospex SPEEDTIMER100m
MSRP
Chronomaster Manual$1,975
Prospex SPEEDTIMER$3,000

Full specifications

Case

4 specs
Diameter
38mm
42.5mm
Thickness
14.55mm
15.1mm
Lug-to-Lug
46mm
50mm
Finish
Brushed + Polished
Brushed and polished

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
x1
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
ETA Valjoux 7733
8R46
Type
Manual
Automatic
Jewels
25
34
Complications
GMT, Chronograph
None

Pricing

1 specs
MSRP
$1,975
$3,000

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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.

Nivada Grenchen Chronomaster Manual

Owners praise the Nivada Grenchen Chronomaster Manual as a reasonably sized mechanical chronograph without a module movement. One owner notes the watch sits high on the wrist due to its automatic caseback, leading to some regret. On balance, owners value the Chronomaster Manual for its non-module mechanical chronograph movement in a reasonably sized package.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

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