Seiko Cal. 5635 - 812

The 5635-812 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5635 caliber with 19j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-7ab5127480c6]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

Related Models

• Seiko 5246-466
• Seiko 7080-495
• Seiko 6181-626
• Seiko 6261-453
• Seiko 5282-557
• Seiko 0775-129
• Seiko 4562-484
• Seiko 6288-143
• Seiko 4430-121
• Seiko 4463-621
• Seiko 6297-437
• Seiko 5695-550