Seiko Cal. 6657 - 749

The Seiko 6657-749 represents an important milestone in Seiko's 1990 lineup. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-c9ca96361757]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1990

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