Seiko Cal. 0725 - 540

The Seiko 0725-540 represents an important milestone in Seiko's 1981 lineup. Powered by the 0725 caliber with 27j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-a1379f2681d3]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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