Seiko Cal. 5284 - 384

This Quartz model from 1968 features a 40mm PVD Black case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-31dfb312f99e]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1968

Related Models

• Seiko 5675-249
• Seiko 5282-717
• Seiko 0742-947
• Seiko 6163-478
• Seiko 5212-845
• Seiko 7024-883
• Seiko 5299-159
• Seiko 0793-610
• Seiko 7192-242
• Seiko 7058-718
• Seiko 6144-712
• Seiko 7137-460