Seiko Cal. 7155 - 331

The Seiko 7155-331 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5fa18db8f6e2]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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