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Oris TT1 Chronograph

Oris TT1 Chronograph

AutomaticSteel

Ref. 01 674 7659 4174-07 8 25 10

Collection: TT1Case size: 45mmMovement: 674

The Oris TT1 Chronograph, reference 01 674 7659 4174-07 8 25 10, is a chronograph with a 45 mm steel case on a steel bracelet with 25 mm lugs. The ceramic bezel insert carries a tachymeter scale above the black dial. Flat sapphire covers the date window and small seconds display. The steel case has a see-through back and is water resistant to 100 metres. Calibre 674 is self-winding with a red rotor and a 48-hour power reserve.

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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

Steel

FEATURES & COMPLICATIONS

ChronographDateDisplay backSmall secondsTachymeter

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