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OPK 8139 Men's Quartz Watch with Octagonal Case OPK 8139 Men's Quartz Watch with Octagonal Case
Reference number: 8139
- 40.0 mm
- 3 ATM
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Technical Data
- Reference number
- 8139
- Watch type
- Quartz watch
- Case diameter
- 40.0 mm
- Case thickness
- 13.0 mm
- Strap width
- 18 mm
- Weight
- 117 g
- Strap material
- Translation missing: en.products.product.strap_materials.Edelstahl
- Crystal
- beschichtetes Glas
- Water resistance
- 3 ATM
About the Brand
OPK · MEN’S WATCH · REF. 8139
Timeless form. Confident function.
The OPK 8139 pairs quartz with a 40 mm case and stainless steel bracelet. Balanced proportions keep the dial and its functions at the centre.
Designed up close
in every detail.
The image sequence highlights the proportions, dial, strap and distinctive details of the OPK 8139. Calm surfaces and generous spacing draw attention to its form and legibility.
Technical specifications
Precisely
specified.
Dimensions, materials and functions are clearly organised. Both sizes are listed in full for matching-pair versions.
- Model
- 8139
- Movement
- Quartz
- Case diameter
- 40 mm
- Case thickness
- 13 mm
- Strap width
- 18 mm
- Weight
- 117 g
- Crystal
- Hardened coated crystal
- Strap material
- Stainless steel bracelet
- Water resistance
- 3 ATM splash resistant
Material.
Function.
Material, strap and water resistance are presented together so the key characteristics remain easy to review.
3 ATM splash resistant
Designed for everyday splashes. Do not use while swimming, showering, bathing, diving or during prolonged immersion.
Crystal & strap
Hardened coated crystal · Stainless steel bracelet
Confirmed contents
- OPK watch box
- Bracelet sizing tool
- User manual
Functions
Questions about the OPK 8139
Which movement is confirmed?
Quartz.
Which dimensions are listed?
Case diameter 40 mm; case thickness 13 mm; strap width 18 mm.
How should the water-resistance rating be understood?
3 ATM splash resistant. Designed for everyday splashes. Do not use while swimming, showering, bathing, diving or during prolonged immersion.
OPK · REF. 8139
Timeless form. Confident function.
In motion
See the watch in motion
Experiences
What owners say
Verified experiences make choosing easier. Positive and critical feedback is published under the same rules.
