Details

Brand

Misc

Model

Ocean Star Decompression Timer

Reference

/1961

Movement

Automatic cal. Calibre 80 (ETA C07.621 ébauche)

Case

40.5mm

Metal

Stainless Steel

Circa

2021

Dial

Blue/Silver

Bezel

Blue Aluminium (60 Minute Timer)

Condition

Very Good

Box/Papers

Box, Booklets & Two Additional Straps

About this watch

Band: Steel (Milanese) Clasp: Steel Glass: Sapphire crystal Water Resistant: 20 Bar Georges Schaeren founded Mido in Biel in 1918. The name comes from the Spanish "yo mido", meaning "I measure". In 1934 the brand introduced Aquadura, a crown seal made from natural cork, and water resistance has been central to Mido ever since. The Ocean Star line grew from that work. The original Decompression Timer arrived in 1961. Its dial was printed with a decompression table in four coloured rings, which earned it the nickname "Rainbow Diver" among collectors. Good originals are now scarce. Mido brought the design back in 2020 as a limited edition of 1,961 pieces, a number that nods to the year of the original. This silvered dial version followed in 2021, again limited to 1,961 pieces. The caseback is engraved with Mido's starfish and the watch's individual edition number. The polished stainless steel case measures 40.5mm in diameter and 13.43mm in depth. It is pressure-resistant to 20 bar (200 metres), with a screw-down crown between crown guards and a screw-down caseback. This is a proper dive watch, built for the water. The silvered white dial has a date aperture at three. The polished applied hour markers and the diamond-cut hands are filled with Super-LumiNova. Around them sit the four rings of the decompression table. Yellow covers 25 to 29 metres, green 30 to 34, pink 35 to 39 and blue 40 to 44. Where the minute hand crosses each ring showed a diver how long they could stay at that depth and when decompression stops were needed. It is a charming reminder of diving before computers. A box-shaped sapphire crystal rises over the dial, echoing the domed crystals of the…