Ratio 2nd Generation Free Diver Helium-Safe Quartz 1038EF102V-BLU-V02 1000M Mens Watch


Use Code NEWYEAR to get extra 15% off, valid till 04-01-2023

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SKU: 1038EF102V-BLU-V02 Categories: , , , ,


Stainless Steel Case
Polyurethane Strap
Quartz Movement
Caliber: Seiko VX4E
Bezel With Ceramic Inlay
Sapphire Crystal
Blue Dial
Analog Display
Orange Minute Hand
Luminous Hands And Markers
Power Reserve
Watch With Helium Valve
Day And Date Display
Uni Directional Rotating Bezel
Screw Down Crown
Engraved Case Back
Buckle Clasp
1000M Water Resistance

Approximate Case Diameter: 49mm
Approximate Case Thickness: 12mm

Product Description

Ratio 2nd Generation FreeDiver Helium Safe Quartz 1038EF102V-BLU-V02 1000M Men's Watch

The Ratio 2nd Generation FreeDiver Helium Safe Quartz 1038EF102V-BLU-V02 is for them who love to

It is a watch that converts your exuberance towards unknown realms into a reality!

The FreeDiver Helium Safe 1000M offers you newer chances and challenges amidst newer depths
and dimensions.

You never know what or where your curiosity might lead you next! So we made a watch that can take you
beyond the maximum Freediving limits if needed; we made it for explorers with inquisitive minds.

6 reasons why you should go for the Ratio FreeDiver Helium-safe 1000M watch

  • A well-done watch that’s solidly constructed, the Ratio FreeDiver Helium Safe 1000M
    Blue Dial Stainless Steel Quartz
    is an all-around instrument for marine
    enthusiasts and desk-divers alike. This one joined the hit parade immediately after the 200m
    Freediver made to the scene and became an instant hit.

  • This excellent tool/diver watch makes you aspire for deeper underwater realms. It has amazed
    everyone with its wide depth range and features. It surfaces for everyone who looks forward
    to newer experiences perilous yet pleasurable.

  • The Ratio FreeDiver Helium Safe 1000M Blue Dial Stainless Steel Quartz
    1038EF102V-BLU-V02 is a heavy watch. The heavy-gauge surgical steel construction (case,
    screw-down crown, engraved case-back w/image of a free diver and the deployment clasp) gives
    it the weight. It pleasantly assures its presence with its heft while increasing the
    momentum of your hand’s movements, rather than tying you down with its weight. The thick
    gauge, surgical-grade stainless steel and the sapphire crystal offers high resistance
    against tremendous water pressure; physical impacts and violent tugs. The crystal, the case
    and the case back protect the Japanese quartz movement (with its own shock/magnetism
    resistant features) within entirely against knocks, bumps and drops.

  • A large sized dial made of brass and painted using silkscreen technique; a big date window
    and prominent hands and hour markers offer maximum visibility under murky environments and
    when under pressing situations, you do not have to squint to focus on the dial to read the
    time (or the bezel/timer reading). A big advantage is the non-radioactive lume-filled
    prominent hour markers (especially at 12, 6 and 9); they are big, bright and with an almost
    infinite longevity. It also ensures longer hours of illumination.

  • The serrated bezel, the grooved crown and the knurled helium-valve cover – All facilitate a
    firm grip with wet fingers, with or without the diving gloves on. It is advised not to
    operate the crowns under wet conditions. Note: You’ll need the helium valve in your watch
    for times when you are in a chamber filled with breathing mixture; not necessarily diving
    bells. You open the valve to let the trapped helium out, which got past the gaskets and
    seals due to their very fine dimensions. A decreasing external/environmental pressure would
    make the helium to expand fast and damage the seals, crystal and gaskets in an attempt to
    escape. The helium valve provides an outlet for the built up pressure to escape.

  • The hour and minute hands of the Ratio FreeDiver Helium Safe 1000M Blue Dial Stainless
    Steel Quartz
    1038EF102V-BLU-V02 are unique in their shapes. The hour and minute
    hands are a mix between arrow and sword shapes while the seconds-hand is an improvisation on
    the sword-style. The red-border on the minutes hand ensures you do not miss out on its
    position while using the bezel as an elapsed-time indicator.

Ratio FreeDiver Helium Safe 1000M Blue Dial Stainless Steel Quartz: A sum up of time and
personal experiences

The Ratio FreeDiver Helium Safe 1000M Blue Dial Stainless Steel Quartz is a great tool watch
to which anyone who takes freediving seriously should give a thought. Its specs match that of any
pro-grade diver watch but the cost doesn’t. The Ratio FreeDiver Helium Safe 1000M Blue Dial
Stainless Steel Quartz
wears a tag that’s unbelievably lower than the rest in its league.
You’ll be hard-pressed to find another watch from another brand that offers for the same amount.

Specs and their implications

Water Resistance:

  • Water resistant up to 3300ft (1000m).

  • Suitable for professional and everyday use.

  • Suitable for Skin Diving, Scuba Diving, Deep diving, Swimming, Snorkeling, Surfing;
    spear-fishing; moderate to high-intensity land sports.


Ratio uses non-radioactive luminescent paint for the luminescence in the Freediver 1000m watch. It is
a non-radioactive, radiant paint that's applied generously on the hands and the indices of the
Freediver. The paint exhibits greater intensity and longer-lasting luminescence. Its output duration
doesn’t let you compromise on visibility; let it even be for a few extra hours in the dark! A
10-minutes long exposure to 500 lux or higher intensity light will charge the lume for the next 3-5
hours. A continuous 8-hour exposure to Sunlight on a normal summer day will let it glow for 10+
hours. The longevity of the paint is semi-permanent, ensuring full functionality of the watch even
after years of active use.



    SEIKO VX42E Analog Quartz 11 1/2''' Slim Movement [Three hands (H/M/S) with Calendar]


    i. Pre-adjusted tuning fork quartz oscillator; 32,768 Hz

    ii. Operating range: -5℃ to +50℃.


  • 3 Hands Hour / Minute / Second

  • Calendar Instant setting device for date calendar

  • Reset switch

  • Crown pulled out 1st click: Instant date change

  • Crown pulled out 2nd click: Time setting/Reset


  • Jewels: 0

  • Anti-magnetism: Over 1600A/m (Direct current magnetic field)


  • Type / Size Silver oxide battery; φ9.5mm/2.0mm

  • Recommended battery SR920SW (Maxell, Murata, Seizaiken); 1.55 V

  • Battery life Approx. 3 years


  • Equipment: SEIKO quartz tester QT-99, Greiner
    quartz timer-C , Witschi Q-tester 4000.

  • Accuracy: ±20 seconds per month (on wrist).

1038EF102V-BLU-V02 1000M Men's Watch

1038EF102V 1000M Men's Watch

Case Size 49m 45mm
Movement Quartz Quartz
Functions Day, Date, Hour, Minute, Second Date, Hour, Minute, Second
Features Analog Display, 1000M Water Resistance Analog Display, 1000M Water Resistance
Band Material Polyurethane Polyurethane
Crystal Sapphire Sapphire
Water Resistance

1000M 1000M
Engine Caliber: Seiko VX42E Caliber: SEIKO VX42E
Dial Color Blue Black
Dial Markers Dotted Markers Dotted Markers

Prime points

  • Generous use of solid, surgical-grade stainless steel and lume material.

  • Visually appealing watch face with uniquely shaped hands.

  • A proven, reliable movement (Seiko VX42E) with its own magnetism/shock resistant properties.

  • Sapphire crystal

  • 1000m water-resistance


Analog, blue dial with large, prominent hands and hour indices, covered from
the top with a sapphire crystal

Case, case back and bracelet material

316L Stainless Steel w/ Deployment Clasp

Other features

2 and 4’o clock crowns: The 4’o clock screw-down crown is for time and date adjustments while the 2’o
clock screw-down crown is the helium escape valve. They are placed in a manner that minimises damage
to the watch in case of a frontal impact and eliminate the chances of wrist bites if your palm folds
against your wrist.

Band Type



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