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Formex

REEF Automatic COSC 300M Forged Carbon 39.5mm - Black on Bracelet

Strap/Bracelet Options: Bracelet
Bracelet
Mesh Bracelet
Black calf leather strap with croco pattern
Black calf leather strap
Brown calf leather strap with croco pattern
White Nylon Strap with Black Stitching
Black Nylon Strap
Blue Nylon Strap
White Rubber Strap
Black Rubber Strap
Blue Rubber Strap
Green Rubber Strap

Initial production batch limited to 100 pieces
Please note, shipping is expected to begin early May 2026.

Formex REEF Automatic COSC 300M Forged Carbon 39.5mm - Black on Bracelet

CHF 1,778

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Product Description

Overview

Reference

Bracelet: 2201.1.6399.100

Case Size

39.5 mm

Case Height

11 mm

Lug To Lug

45.5 mm

Lug Width

22 mm

Water Resistance

300m

Movement

Automatic

Release Date

2026-04-02

Style

Everyday

Collection

REEF

Case

Bezel

Unidirectional rotating Zirconium Oxide Ceramic bezel

Case Material

316L Stainless steel

Clasp / Buckle

Bracelet: Stainless steel buckle with patented Micro-Adjustment System
Straps: Carbon fiber clasp with micro-adjustment system

Crystal

Sapphire crystal with anti-reflection treatment

Attachment Type

Bracelet

Dial Color

Black

Dial Features

Forged carbon dial, date window at 6 o'clock

Lume

BGW9 Super-LumiNova on hands and indexes

Strap / Bracelet Material

Stainless steel bracelet with screwed links, quick release function
Mesh bracelet, black or brown calf leather strap with croco pattern, black calf leather strap, white nylon strap with black stitching, black or blue nylon strap, or white, black, blue or green rubber strap.

Weight

75 g

Movement

Caliber

Swiss Made Sellita SW300-1

Features

Automatic (Chronometer grade), officially certified by COSC, custom-built skeleton rotor with thermally blued screws

Frequency

4 Hz

Function

Date

Jewels

25 Jewels

Movement

Automatic

Power Reserve

56 Hours

Brand History

Formex

Formex Watches was established in 1999 and since has developed a reputation for creating exceptional Swiss-made watches and is one of the leading examples of the rising landscape of independent watchmakers. With their headquarters based in Biel, Switzerland, they pride themselves on using top quality materials and developing timepieces of great precision, offering COSC certified watches accurate within a few seconds a day.

Formex