Seiko Cal. 4561 - 421

The Seiko 4561-421 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6c8f18c14e19]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1967

Related Models

• Seiko 6610-971
• Seiko 4561-606
• Seiko 6653-162
• Seiko 5625-481
• Seiko 4518-177
• Seiko 6624-256
• Seiko 6243-168
• Seiko 6218-109
• Seiko 0782-689
• Seiko 6122-297
• Seiko 6112-784
• Seiko 3864-274