Seiko Cal. 7166 - 740

The Seiko 7166-740 represents an important milestone in Seiko's 1981 lineup. Powered by the 7166 caliber with 24j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-84f289e416df]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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