OPK 8121 Women's Quartz Watch with Day and Date Display OPK 8121 Women's Quartz Watch with Day and Date Display
Reference number: 8121
- 28.0 mm
- 3 ATM
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Technical Data
- Reference number
- 8121
- Watch type
- Quartz watch
- Case diameter
- 28.0 mm
- Case thickness
- 8.0 mm
- Strap width
- 14 mm
- Weight
- 53 g
- Strap material
- Translation missing: en.products.product.strap_materials.Metalllegierung
- Crystal
- beschichtetes Glas
- Water resistance
- 3 ATM
About the Brand
OPK · WOMEN’S WATCH · REF. 8121
Refined elegance. Clear in every detail.
The OPK 8121 pairs quartz with a 28 mm case and metal alloy. Its calm, precise composition creates an elegant presence.
Designed up close
in every detail.
The image sequence highlights the proportions, dial, strap and distinctive details of the OPK 8121. 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
- 8121
- Movement
- Quartz
- Case diameter
- 28 mm
- Case thickness
- 8 mm
- Strap width
- 14 mm
- Weight
- 53 g
- Crystal
- Hardened coated glass
- Strap material
- Metal alloy
- 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 glass · Metal alloy
Confirmed contents
- OPK watch box
- Bracelet sizing tool
- User manual
Functions
Questions about the OPK 8121
Which movement is confirmed?
Quartz.
Which dimensions are listed?
Case diameter 28 mm; case thickness 8 mm; strap width 14 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. 8121
Refined elegance. Clear in every detail.
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.
