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SEIKO SARB048 Automatic Watch
Overview
The Seiko SARB048 "Trek Monster" is a 40mm men's automatic watch with a stainless steel case and a black analog dial protected by hardlex crystal. It uses a 6R15 caliber self-winding mechanical movement that can be manually wound and hacked (the second hand stops when the crown is pulled out). It ticks 6 times per second which gives the second hand a smoother movement than quartz watches which tick once per second. The watch should run for up to 50 hours when fully wound and will self-wind when moved.
The SARB048 is currently ranked #198 in popularity out of 210 watches in this catalog. This watch does not appear to be available for purchase on any .com site. This watch is part of a family of six watches that are identical except for their color or strap. You can see the other variations in this family as well as other similar models on the left side of the page. By clicking the checkbox under a similar model you can compare that model with this one side-by-side. We use nearly 100 different weighted criteria to calculate which models are the most similar to one another.
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Availability Alert
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The case of the SARB048 measures approximately 40mm wide (not including the crown) by 14mm thick and is water resistant to 200 meters. This should be sufficient for splashes, rain, baths, showers & swimming (shallow diving) but is not recommended for scuba diving. The crown screws down to help prevent it from being accidentally pulled out while under water. The stainless steel bezel shows compass directions and can be rotated. The gap between the lugs is 20mm and the bracelet band can be adjusted to fit using a link removal tool or removed using a band removal tool to be replaced with another band.
Transform the look of this watch by adding a 20mm leather band such as a Hadley Roma, Hirsch or Crown & Buckle.
The SARB048 provides the following features and complications:
- Second hand
- Minute hand
- Hour hand
- Date window to show the day of the month. Note that some watches may be damaged if you attempt to change the date between 8:00 PM and 2:00 AM, in which case you should change the time to be outside that range first then reset the time after adjusting the date. Check your watch manual for details.
- Rotatable bezel
Seiko Date Finder
If you have this watch and want to know when it was made simply enter the six digit serial number from the caseback below then click Find Date. Learn more
Specifications [edit]
Full specifications are listed below. Please report any errors by clicking the edit link above then use the appropriate 
icon to provide your input.
General
- Price
- Popularity
#198 of 210 - Style Military / Field
- Gender Men's
Movement
- Type Automatic
- Caliber 6R15
- Jewels 23
- Beats per Hour 21,600 bph(6 bps)
- Power Reserve 50 Hours
- Manual Winding Yes
- Hacking Yes
- Instructions Owner's Manual
Case
- Case Width
40mm(without crown) - Case Thickness 14mm
- Case Shape Round
- Case Material Stainless Steel
- Case Code
- Crystal Material Hardlex
- Water Resistance 200 Meters(baths & shallow diving)
- Crown Position 04:00
- Screw Down Crown Yes
- Second Crown No
Complications
- Second Hand Yes
- Minute Hand Yes
- Hour Hand Yes
- Date Window Yes
Band
- Band Width 20mm
- Replaceable Band Yes
- Band Material Bracelet
- Band Color Gold
Dial
- Dial Color Black
- Dial Reference
- Hour Markings Bars, Triangles
- On the Dial
"Automatic", "Jewels", Water Resistance
Bezel
- Bezel Color Black
- Bezel Function Bidirectional
- Bezel Material Stainless Steel
- On the Bezel Compass Directions
Inner Bezel / Chapter Ring / Outer Dial
- Inner Bezel Color Gold
- On Inner Bezel Nothing
Hand Colors
- Hour Hand Gold
- Minute Hand Gold
- Second Hand Black, White
If you see anything that seems incorrect please let us know.
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