Seiko Cal. 4451 - 115

Released in 1971, the Cal. 4451 with design code 115 was part of Seiko's domestic market collection. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-2afe6a8cc6eb]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

Related Models

• Seiko 6381-649
• Seiko 6676-709
• Seiko 7074-797
• Seiko 6242-550
• Seiko 7161-106
• Seiko 6213-299
• Seiko 0731-874
• Seiko 7087-680
• Seiko 5685-985
• Seiko 6393-265
• Seiko 7068-705
• Seiko 5255-480