Seiko Cal. 5633 - 116

The Seiko 5633-116 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-fa2ad32caaf9]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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