Seiko Cal. 5663 - 490

This Spring Drive model from 1978 features a 43mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-f577ee708105]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

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