Seiko Cal. 5284 - 631

The Seiko 5284-631 represents an important milestone in Seiko's 1968 lineup. Powered by the 5284 caliber with 32j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-ec30c0c28e04]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1968

Related Models

• Seiko 5613-964
• Seiko 4492-319
• Seiko 6288-654
• Seiko 7197-679
• Seiko 5639-159
• Seiko 5250-146
• Seiko 5273-864
• Seiko 4599-297
• Seiko 0788-950
• Seiko 6642-571
• Seiko 4528-808
• Seiko 5247-181