Seiko Cal. 6636 - 845

The 6636-845 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6636 caliber with 20j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-3ca90f622dc7]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1973

Related Models

• Seiko 5270-653
• Seiko 7194-157
• Seiko 4466-887
• Seiko 5240-552
• Seiko 7194-361
• Seiko 7077-121
• Seiko 3882-825
• Seiko 6277-886
• Seiko 6213-208
• Seiko 0755-471
• Seiko 0791-466
• Seiko 6666-147