Seiko Cal. 5663 - 833

The Seiko 5663-833 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-1280095140dd]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1989

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