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Oris TT1 Chronograph

Oris TT1 Chronograph

AutomaticSteel

Ref. 01 674 7659 4764-07 4 25 06B

Collection: TT1Case size: 45mmMovement: 674

The Oris TT1 Chronograph, reference 01 674 7659 4764-07 4 25 06B, is a chronograph with a 45 mm black PVD-coated steel case, a see-through case back and a rubber strap at 25 mm lugs; water resistance is rated to 100 metres. Flat sapphire covers a black dial with small seconds, elapsed-time counters and a date window. Calibre 674 winds automatically through a red rotor, retaining a 48-hour power reserve. A ceramic bezel carries the tachymeter scale around the dial.

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Last updated 22 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

45mm

Lug Width

25mm

Case Material

Steel

Water Resistance

100m

Crystal

Sapphire Crystal

Bezel Material

Ceramic

MOVEMENT

Movement Type

Automatic

Caliber

674

Power Reserve

48h

Frequency

28,800 vph (4 Hz)

DIAL

Dial Color

Black

BRACELET/STRAP

Bracelet/Strap

Rubber

FEATURES & COMPLICATIONS

ChronographDateDisplay backPVD/DLC coatingSmall secondsTachymeter

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