Meet the BERNY AM339M — a bold, precision-engineered diver's watch built for those who command attention both above and below the surface. Powered by the legendary Japan Miyota 8215 automatic self-winding movement, this timepiece delivers reliable accuracy and effortless elegance in a robust 42mm stainless steel case.

Crafted for adventure without compromising on sophistication, the AM339M features a sapphire crystal lens and exhibition caseback for unmatched scratch resistance and a stunning view of the movement within. The super-luminous hour markers and dual fluorescent hands ensure perfect legibility in any light — whether you're deep underwater or at a candlelit dinner.

From the boardroom to the ocean floor, this watch is your most dependable companion.

Key Features:

• ⌚ Movement: Japan Miyota 8215 Automatic Self-Winding
• 💧 Water Resistance: 200M (20 ATM) with screw-down crown
• 🔵 Crystal: Sapphire glass (front & exhibition caseback)
• 🌙 Luminous: Super-luminous markers & dual fluorescent hands
• 📅 Date Calendar display
• 🔄 Bidirectional rotating bezel with dual fluorescence
• 🏗️ Case: 42mm stainless steel, 13mm thickness
• ⌚ Strap options: Silicone or stainless steel bracelet (22mm lug width)
• 📏 Wearable length: 145–205mm
• ⚖️ Weight: 113g (silicone) / 182g (steel bracelet)

SPECIFICATIONS

Band Length: 19

Band Material Type: Stainless steel

Band Width: 20 to 24 mm

Boxes & Cases Material: Paper

Brand Name: BERNY

Case Material: Stainless steel

Case Shape: Round

Case Thickness: 14

Clasp Type: Folding Clasp with Safety

Dial Window Material Type: Sapphire Crystal

Display Type: Arabic Numeral Markers

Feature: Luminous, Complete Calendar, DIVER, Screw crown, water proof

Item Type: Mechanical Wristwatches

Lug to Lug distance: 49.30mm

Luminous Level: Super Luminous

Model Number: AM339M

Movement: Mechanical Hand Wind, Automatic Self-Wind, Miyota 8215

Movement origin: Japan

Sport Type: Diving

Style: Sport

Water Resistance Depth: 20Bar

Parameters:

Model:AM339M/AM339MS

Case diameter:42mm

Case thickness:13mm

Lug to Lug distance:49.30mm

Band width:22mm

Wearable length:145~205mm

Case materail:Stainless steel

Strap:Silicone /Stainless steel

Clasp:Pin Buckle

Lens:Sapphire glass

Back cover material:Sapphire glass

Movement:MIYOTA 8215（MIYOTA 8215）

Water proof:200m (20ATM)

Weigth:113g(Silicone Strap)

Weight:182g(Stainless Steel Strap)

Features:

1.Japan Miyota 8215 Automatic Movement.

2.Travel time accuracy (seconds/day): -20～+40 seconds.

3.Self winding.

4.Date Calendar Watch.

5.Super luminous hour marker,Easy to read underwater and without light.

6.Double fluorescent bidirectional rotating bezel,Dual Fluorescence hands,Clear and intuitive, enhanced timing and security.

7.Silicone band deeply waterproof.

8.Surface lens and Exhibition Back cover material all are Sapphire Glass ,high light transmittance/ scratch resistance.

9.Screw-down crown ,200M Waterproof ，diving performance is even better.

10.Timing Rotating Inner Ring，Compressor Dive Watch.

Stainless Steel Versions