Seiko Cal. 6399 - 961

The 6399-961 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6399 caliber with 20j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-fc5a30d408ae]

Also known as: Sumo, Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1967

Related Models

• Seiko 5626-100
• Seiko 6153-198
• Seiko 5675-276
• Seiko 6113-464
• Seiko 5668-939
• Seiko 4489-559
• Seiko 5631-798
• Seiko 6188-383
• Seiko 7088-248
• Seiko 6357-208
• Seiko 4476-914
• Seiko 5610-168