Longines "Big Eye" Steel Flyback Chronograph

Description

Longines 30CH "Big Eye" Steel Chronograph 7981, stainless steel case with bi-directional rotating red bezel, manual wind in-house Longines caliber 530 movement, 30 minute flyback chronograph with "big eye" minute counter, original black "crosshair" dial is in good condition with contrasting subdials and outer tachymeter scale, acrylic crystal, screw down solid caseback, the lugs have maintained their original shape and bevels, diameter: 40mm, thickness: 13.5mm, Excellent condition with European Watch Company Pouch and 6 month warranty.

Product price

SOLD

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Reference:

7981

Movement:

Manual

Material:

Stainless Steel

Diameter:

40MM

Thickness:

13.5MM

Condition:

Like New

EWC#:

27033

More about "Big Eye" Steel Flyback Chronograph

This is a vintage stainless steel c. 1960's Longines Diver "Big Eye" Chronograph 7981. It has a leather strap with a stainless steel tang buckle, and an acrylic crystal. It has round chronograph push buttons, a screw down winding crown, and there is a solid screw down case back inside of which is engraved "LONGINES-MADE SUISSE-7981-3-ACIER INOXYDABLE," and a serial number with the Longines wings logo. The 40mm diameter solid three-body case, slightly curved lugs with sharp bevels, and flat maroon bezel, are polished/brushed. The bi-directional rotating bezel with a knurled edge has silver Arabic numeral dive times every five minutes to 60, as well as 12-hour numerals. The original black dial has red "crosshairs," luminous white baton hour indices around a white minute/one-fifth second scale, and feuille hands with luminous inserts. It includes a center sweep chronograph hand, a recessed silver running seconds subsidiary dial with black Arabic numerals, and a larger recessed silver 30-minute fly back "Big Eye" chronograph totalizer with black Arabic numerals. Around the perimeter is a silver tachymeter track with black Arabic numerals to 1000 UPH. It's water resistant to 300 meters/1000 feet, and it has a 54-hour power reserve at full wind. The 13.5mm thick case, dial, and movement are all signed. This Longines Diver "Big Eye" Chronograph 7981 has a mechanical manual winding in-house Longines caliber 530 (base 30 CH) column-wheel chronograph movement produced for professional divers. It's rhodium plated and constructed with 17 jewels, a shock-resisting ring, an index regulator, and a monometallic balance. It includes a straight-line lever escapement, a self-compensating Breguet balance spring, and the mechanism oscillates at a frequency of 18,000 vph (2.5 Hz). The Longines Diver "Big Eye" Chronograph 7981 was introduced in 1960, and produced until 1969.

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