Seiko Cal. 5243 - 487

The Seiko 5243-487 represents an important milestone in Seiko's 1978 lineup. Powered by the 5243 caliber with 29j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-76cd4c917084]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

Related Models

• Seiko 7066-403
• Seiko 4516-115
• Seiko 5676-104
• Seiko 5654-677
• Seiko 4567-435
• Seiko 4421-852
• Seiko 6641-801
• Seiko 7191-387
• Seiko 3864-785
• Seiko 6349-509
• Seiko 4479-384
• Seiko 6353-476