Seiko Cal. 5635 - 791

The Seiko 5635-791 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-7d4dd22f7e84]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1987

Related Models

• Seiko 6633-550
• Seiko 4591-266
• Seiko 5235-294
• Seiko 7141-830
• Seiko 5651-155
• Seiko 6640-110
• Seiko 6148-891
• Seiko 5620-566
• Seiko 6355-596
• Seiko 4463-960
• Seiko 6227-716
• Seiko 5252-863