Skip to content
Oris Big Crown Timer

Oris Big Crown Timer

AutomaticSteel

Ref. 01 735 7660 4064-07 8 22 76

Collection: Big CrownCase size: 44mmMovement: 735

The Oris Big Crown Timer, reference 01 735 7660 4064-07 8 22 76, has a 44 mm steel case with a see-through back, water resistant to 30 metres, on a steel bracelet with 22 mm lugs. A domed sapphire crystal covers the black dial. Individual day and date windows supplement the central seconds display. Self-winding calibre 735 keeps a 38-hour power reserve.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 22 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

44mm

Lug Width

22mm

Case Material

Steel

Water Resistance

30m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

735

Power Reserve

38h

Frequency

28,800 vph (4 Hz)

Jewels

26 jewels

DIAL

Dial Color

Black

BRACELET/STRAP

Bracelet/Strap

Steel

FEATURES & COMPLICATIONS

Central secondsDateDisplay backWeekday

More from Oris

Show all →

Other watches with the 735 calibre

Show all →

FOR WATCH DEALERS

Trading the Oris Big Crown Timer?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.