Seiko Cal. 4531 - 609

The Seiko 4531-609 represents an important milestone in Seiko's 1968 lineup. Powered by the 4531 caliber with 26j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-df00ba92d70b]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

Related Models

• Seiko 3889-429
• Seiko 6234-426
• Seiko 5255-996
• Seiko 7058-307
• Seiko 6384-722
• Seiko 6311-619
• Seiko 5691-444
• Seiko 7143-297
• Seiko 6179-980
• Seiko 4539-241
• Seiko 3850-746
• Seiko 7054-825