Seiko Cal. 6635 - 287

The 6635-287 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6635 caliber with 18j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-a03ca799feba]

Also known as: Turtle, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1973

Related Models

• Seiko 6122-755
• Seiko 6395-748
• Seiko 6344-532
• Seiko 3811-519
• Seiko 5658-573
• Seiko 4559-866
• Seiko 4424-998
• Seiko 7131-464
• Seiko 7094-787
• Seiko 0725-119
• Seiko 0796-419
• Seiko 6358-801