Seiko Cal. 6284 - 646

The 6284-646 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6284 caliber with 18j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-2af127ebea48]

Also known as: Crown, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

Related Models

• Seiko 3874-508
• Seiko 6624-143
• Seiko 5225-519
• Seiko 6258-733
• Seiko 6681-503
• Seiko 6667-553
• Seiko 5668-332
• Seiko 5643-853
• Seiko 5278-363
• Seiko 4563-136
• Seiko 3862-439
• Seiko 5646-721