Seiko Cal. 5280 - 240

The Seiko 5280-240 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1e90366c22e4]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

Related Models

• Seiko 3834-345
• Seiko 3818-490
• Seiko 4499-486
• Seiko 0731-372
• Seiko 7014-320
• Seiko 6163-823
• Seiko 6168-343
• Seiko 6128-329
• Seiko 6388-941
• Seiko 4587-589
• Seiko 6359-748
• Seiko 3837-857