Seiko Cal. 5635 - 777

The 5635-777 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5635 caliber with 28j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-79549006b5e9]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1995

Related Models

• Seiko 3888-124
• Seiko 4429-223
• Seiko 7031-589
• Seiko 0780-229
• Seiko 6227-561
• Seiko 6351-363
• Seiko 6128-155
• Seiko 4416-638
• Seiko 6374-742
• Seiko 6140-554
• Seiko 7118-162
• Seiko 6163-723