Seiko Cal. 4540 - 461

The Seiko 4540-461 represents an important milestone in Seiko's 1987 lineup. Powered by the 4540 caliber with 22j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-afcdce08cbf9]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

Related Models

• Seiko 6652-150
• Seiko 6650-870
• Seiko 7122-462
• Seiko 4471-240
• Seiko 5240-234
• Seiko 5226-710
• Seiko 7011-493
• Seiko 6115-380
• Seiko 5291-643
• Seiko 6167-959
• Seiko 6629-573
• Seiko 6167-754