Side by side

Sinn 358 DIAPALvsGrand Seiko SLGC009

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

358 DIAPAL
Sinn358 DIAPAL
MSRP $4,255
SLGC009
Grand SeikoSLGC009
MSRP $16,900

At a glance

19 of 29 specs differ
Diameter
358 DIAPAL42mm
SLGC00943mm
Power Reserve
358 DIAPAL48h
SLGC00972h
Water Resistance
358 DIAPAL100m
SLGC009200m
MSRP
358 DIAPAL$4,255
SLGC009$16,900

Full specifications

Case

9 specs
Category
Tool
Chronograph
Diameter
42mm
43mm
Thickness
15mm
15.6mm
Lug-to-Lug
50mm
Lug Width
22mm
23mm
Material
Stainless Steel
Titanium
Finish
satinized
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Dial Color
Anthracite
Black
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
LJP L100
9SC5
Power Reserve
48h
72h
Jewels
26
25
Complications
GMT, Date, Chronograph
None

Pricing

1 specs
MSRP
$4,255
$16,900

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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.

Sinn 358 DIAPAL

The Sinn 358 DIAPAL is widely praised as a handsome, unfussy tool watch with excellent legibility and solid construction, featuring a reliable and exact second timezone complication. Owners and reviewers highlight its DIAPAL oil-free escapement and Ar-Dehumidifying technology for contributing to its accuracy, and note the 42mm brushed stainless steel case is well-sized. One reviewer flags the skeletonized GMT hand as sometimes lacking legibility. Overall, owners and reviewers rate the Sinn 358 DIAPAL highly for its robust build and practical travel watch functionality.

Grand Seiko SLGC009

Owners widely report the Grand Seiko SLGC009 is perceived as "big" but "not obnoxious," with some finding its bold, aggressive, and futuristic design appealing while others deem it too daring for the brand. Opinions are split on its aesthetic, with comparisons ranging from a G-Shock to the Cybertruck. One owner noted a desire for a more offset clasp. The movement is praised by some, though the dial color and hour indexes drew criticism from one voice. The Grand Seiko SLGC009's rumored discontinuation is speculated to potentially aid in value retention. On balance, owners are divided on the Grand Seiko SLGC009's polarizing design, with its movement and wearability being points of discussion.

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