Seiko Cal. 3863 - 633

Released in 1994, the Cal. 3863 with design code 633 was part of Seiko's domestic market collection. Powered by the 3863 caliber with 23j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-a5f7173603f3]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1994

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