Stuhrling Original Depthmaster 3950R, 42mm, Black Dial
Stuhrling Original Depthmaster, Black Dial
Stuhrling Depthmaster is a 42mm quartz dive-style watch with a black skeleton dial, mineral glass, rubber strap and 100m water resistance.
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About this item
- 42mm stainless steel case with coin edge bezel and screw-down crown
- Luminescent hands and indices for reading the time in low light
- Japanese Miyota quartz movement for consistent timekeeping
- Water resistant to 100 metres (330ft) for swimming and outdoor use
- Rubber strap with tang buckle for a secure all-day fit
Top Highlights
- Brand
- Stuhrling Original
- Model Name
- Depthmaster
- Model Number
- 3950R
- Department
- Men
- Item Type
- Dive Watch
- Manufacturer
- Stuhrling Original
- First Available
- 16 December 2024
Features & Specs
- Display
- Analog
- Movement Type
- Japanese quartz
- Power Source
- Battery powered
- Strap Type
- Two Piece Strap
- Case Material
- Stainless steel
- Case Size
- 42.0 mm
- Case Thickness
- 12.2 mm
- Lug Width
- 20.0 mm
- Weight
- 300 g
- Water Resistance
- 100 m
- Sport Type
- Diving, Swimming
- Strap
- Rubber
- Clasp
- Buckle
- Crystal
- Mineral crystal
- Dimensions
- 12.7 x 12.7 x 8.89 cm; 299.94 g
Style
- Dial Shape
- Round
- Dial Colour
- Black
- Band Color
- Black
- Theme
- Nautical
- Face Style
- Skeleton
Description
The Stuhrling Depthmaster is a men's dive-style watch built around a 42mm stainless steel case. It suits anyone who wants a rugged, nautical-themed everyday piece without the weight of a mechanical diver.
Inside sits a Japanese Miyota quartz movement driving analogue hands over a black skeleton-style dial. The case uses mineral glass, a coin edge bezel and a screw-down crown, and it is rated water resistant to 100 metres. The lug width is 20mm and the case is 12.2mm thick.
Luminescent hands and indices keep the time legible in dim light, which is useful for evening swims or outdoor activity. A black rubber strap with a tang buckle keeps the fit secure and flexible, so the watch works as a durable daily wearer for work, weekends and the water.
Frequently Asked Questions
Can I swim with the Stuhrling Depthmaster?
Yes, it is rated water resistant to 100M (330ft), which covers swimming, showering and snorkelling. It is not meant for scuba diving. Keep the screw-down crown fully tightened before any contact with water, and avoid pressing buttons or pulling the crown while wet.
What movement does it use and how often does the battery need changing?
It uses a Japanese Miyota quartz movement with analogue hands, so there is nothing to wind. Quartz batteries typically last around two years, sometimes longer. A watchmaker can swap the cell and should check the case seals at the same time to keep the water resistance reliable.
Will a 42mm case fit my wrist?
The 42mm case with 20mm lugs suits most average to larger wrists. At 12.2mm thick it has a noticeable presence, so on wrists under about 6.5 inches it will look big. The rubber strap with tang buckle is adjustable for a snug fit.
Is it good for everyday sport and outdoor use?
The coin edge bezel, screw-down crown and rubber strap make it a practical daily sport watch. Luminous hands and indices help in low light, and the rubber strap copes with sweat and water better than leather, so it works for gym sessions, hikes and beach days.
How does it compare with a sapphire automatic diver?
The Depthmaster uses mineral glass and a Miyota quartz movement, so it is lighter on the wallet and needs less service than an automatic. Sapphire automatics resist scratches better and offer a mechanical movement, but they usually cost noticeably more and need periodic servicing.
Can I change the strap?
Yes. The lug width is 20mm, so most standard 20mm rubber, silicone or NATO straps will fit. Use a spring bar tool to swap it safely. A rubber or silicone replacement keeps the water-friendly character of the Stuhrling Depthmaster.
Editor's take
The Stuhrling Depthmaster targets buyers who want the look of a tool diver at a modest price. Its black skeleton-style dial and nautical theme give it a sporty character, and the 42mm case sits comfortably on most adult wrists.
Power comes from a Japanese Miyota quartz movement, which keeps time accurately with no winding and little upkeep. The case is stainless steel under mineral glass, with a coin edge bezel and a screw-down crown that supports the 100m rating.
The trade-offs are plain. Mineral glass scratches more easily than sapphire, and 100m suits swimming and snorkelling but not serious diving. The case is also 12.2mm thick, which some slim wrists may notice.
It makes sense for someone who wants a rugged casual watch for the pool, the beach and daily wear. Buyers wanting sapphire and a mechanical movement should look at entry-level automatic divers from Japanese brands, usually at a higher price.
In categories
From the manufacturer

Diver-Inspired Style. Everyday Control
A bold sport watch with a high-contrast dial, unidirectional timing bezel, screw-down crown, and a 10 ATM / 330 ft water-resistance rating

Durable Rubber Strap
Flexible rubber strap designed for comfort, grip, and secure wear in active conditions.

One Watch. Every Setting.
A versatile sport watch that moves easily from a sharper weekday look to relaxed everyday wear.

Ready to Give. Made to Keep.
Presented in a Stührling gift box for a memorable addition to any collection.

Secure Screw-Down Crown
The screw-down crown creates a secure seal against the case to help protect the movement from water and dust. Once fully tightened, it locks firmly into place, supporting the watch's 10 ATM / 100M water resistance while enhancing durability.

Discover Our Aquadiver Collection
The Depthmaster 3950R sits within the Aquadiver line, built around a 42.0mm stainless steel case with a mineral crystal and a rated water resistance of 100m. A Japanese quartz movement keeps timekeeping steady and service needs low, while the rubber strap suits wet conditions and daily wear. It is a practical dive-styled watch for swimming, snorkelling, and everyday use.
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