Seiko Cal. 5284 - 648

The Seiko 5284-648 represents an important milestone in Seiko's 1990 lineup. Powered by the 5284 caliber with 19j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-d2b345222c78]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1990

Related Models

• Seiko 6241-367
• Seiko 4445-104
• Seiko 7113-351
• Seiko 7037-157
• Seiko 4434-997
• Seiko 7172-232
• Seiko 5216-508
• Seiko 6175-799
• Seiko 5291-831
• Seiko 4416-707
• Seiko 0717-993
• Seiko 5247-783