Seiko Cal. 0740 - 280

The Seiko 0740-280 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1a48826acc6c]

Also known as: UFO, Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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