Seiko Cal. 4561 - 697

The Seiko 4561-697 represents an important milestone in Seiko's 1979 lineup. Powered by the 4561 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-c0a8049b9ee6]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

Related Models

• Seiko 7023-108
• Seiko 0751-581
• Seiko 6359-135
• Seiko 5614-447
• Seiko 5210-914
• Seiko 4530-989
• Seiko 7111-759
• Seiko 6112-619
• Seiko 7155-501
• Seiko 6391-422
• Seiko 5259-244
• Seiko 6261-871