Seiko Cal. 4561 - 477

The Seiko 4561-477 represents an important milestone in Seiko's 1979 lineup. Powered by the 4561 caliber with 18j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-be8e0775bd7d]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

Related Models

• Seiko 5263-375
• Seiko 6243-383
• Seiko 4476-434
• Seiko 5657-343
• Seiko 5277-219
• Seiko 3819-638
• Seiko 6321-932
• Seiko 7082-609
• Seiko 6695-353
• Seiko 6395-969
• Seiko 6665-650
• Seiko 4463-506