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45 mm
Photos appear once OLTO-8 approves image use

OLTO-8

OLTO-8 Coral Steward Diving Automatic Watch Retro Green

Diver

$399In stock

Last checked Oct 26, 2026

View on OLTO-8’s site ↗

From OLTO-8

[#info] Brand Name: OLTO-8 Water Resistance: 300 Meter waterproof Movement: Seiko NH36 Strap Length: 120mm*80mm Strap Width: 22 mm Buckle Width: 20 mm Clasp Type: Pin Buckle Case Shape: Square Lens: Sapphire Crystal Glass Model Number: Coral Steward Case Material: 316 L STAINLESS STEEL Case back: See-through case back in stainless steel Case Size: 45 mm*45 mm Case Thickness: 13.00 mm Strap : Silicone strap Energy Storage: 42 hours Weight: 110g/127.5g(With Strap) [/info] [#advantages] Description Feature Drawing inspiration from vintage diving camera and helmet, Coral Steward boasts a distinctive square case design. Through circular dial, Coral Steward provides a captivating window into the underwater world of coral reefs. The intricately layered coral reef motif on the dial, showcased through a sapphire window, presents a historical accumulation of time and aesthetics. Time and beauty converge flawlessly in Coral Steward, where every detail speaks to the essence of exploration and craftsmanship. [/advantages] [#design] [/design] [#warranty] Warranty TWO YEARS INTERNATIONAL WARRANTY Your watch is internationally warranted by OLTO-8 for two years from the date of purchase on all models with any material or workmanship defects. This warranty does not cover: Straps, glass or batteries. Internal or external damage resulting from excessive wear, improper use or mishandling. Damage resulting from service provided from an unauthorized service center. [/warranty] [#feedback] [/feedback]

Specifications

Details and photos come from OLTO-8’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.

Case

Diameter
45 mm
Lug-to-lug
Not listed
Thickness
13 mm
Thickness incl. crystal
Not listed
Lug width
22 mm
Material
316L steel

Movement

Type
Not listed
Caliber
NH36
Power reserve
Not listed
Functions
Not listed

Crystal and bezel

Crystal
Sapphire
Bezel
Not listed

Water resistance

Rated to
Not listed

Dial and lume

Dial
Not listed
Lume
Not listed

Strap

Strap
other
Every spec OLTO-8 lists
Brand Name
OLTO-8
Water Resistance
300 Meter Waterproof
Movement
Tmi NH36
Strap Length
120mm*80mm
Strap Width
22 mm
Buckle Width
20 mm
Clasp Type
Pin Buckle
Case Shape
Square
Lens
Sapphire Crystal Glass
Model Number
Coral Steward
Case Material
316L STAINLESS STEEL
Case back
See-through case back in stainless steel
Case Size
45mm * 45mm
Case Thickness
13mm
Strap
Silicone strap
Energy Storage
42 hours
Weight
110g
This warranty does not cover
Straps, glass or batteries.

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