Side by side

Sinn 103 St DIAPALvsMarathon OSAR-D (Original SAR with Date) Automatic 46mm

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

103 St DIAPAL
Sinn103 St DIAPAL
MSRP $4,320
OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500

At a glance

19 of 29 specs differ
Diameter
103 St DIAPAL41mm
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Power Reserve
103 St DIAPAL48h
OSAR-D (Original SAR with Date) Automatic 46mm40h
Water Resistance
103 St DIAPAL200m
OSAR-D (Original SAR with Date) Automatic 46mm300m
MSRP
103 St DIAPAL$4,320
OSAR-D (Original SAR with Date) Automatic 46mm$2,500

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
41mm
46mm
Thickness
17mm
13mm
Lug-to-Lug
43.5mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Finish
polished
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
LJP 8000
Sellita SW220-1
Power Reserve
48h
40h
Jewels
28
25
Complications
GMT, Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$4,320
$2,500

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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 103 St DIAPAL

Owners widely praise the Sinn 103 St DIAPAL for its robust, Germanic design, legible dial, and functional combination of a chronograph and countdown bezel, all offered at a strong value compared to other classic chronographs. The tall, domed acrylic crystal is a favored feature for its warm look and impact resistance, and the polished stainless steel case is preferred by some over a matte finish. The watch meets DIN standards for anti-magnetic, water, and shock resistance, with low-pressure resistance. Some owners note the Sinn 103 St DIAPAL is thick, though its wearability is considered good even on smaller wrists. Availability in the US market without retail distribution is a noted concern for some. Overall, owners rate the Sinn 103 St DIAPAL highly for its rugged tool-watch functionality and distinctive vintage-inspired aesthetic at a competitive price.

Marathon OSAR-D (Original SAR with Date) Automatic 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

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