Seiko Cal. 4461 - 991

Released in 1974, the Cal. 4461 with design code 991 was part of Seiko's domestic market collection. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-066d0ca47dcf]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

Related Models

• Seiko 4545-488
• Seiko 3855-493
• Seiko 4471-248
• Seiko 5210-183
• Seiko 5298-478
• Seiko 4467-940
• Seiko 6197-631
• Seiko 4478-938
• Seiko 7014-500
• Seiko 5687-496
• Seiko 4474-326
• Seiko 6285-608