Seiko Cal. 6630 - 287

Released in 1986, the Cal. 6630 with design code 287 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-56599ba800d3]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1986

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