Seiko Cal. 5663 - 434

The Seiko 5663-434 represents an important milestone in Seiko's 1990 lineup. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-63c134b951fb]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1990

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