Seiko Cal. 5663 - 916

The Seiko 5663-916 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-c069c09419d7]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

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