Seiko Cal. 6284 - 641

The Seiko 6284-641 represents an important milestone in Seiko's 1980 lineup. Powered by the 6284 caliber with 31j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d9ba46e0ad83]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1980

Related Models

• Seiko 6222-972
• Seiko 5280-859
• Seiko 6231-303
• Seiko 4571-268
• Seiko 6646-455
• Seiko 4541-411
• Seiko 5225-644
• Seiko 6313-202
• Seiko 6374-826
• Seiko 6366-549
• Seiko 3819-539
• Seiko 4497-930