Seiko Cal. 4451 - 770

Released in 1985, the Cal. 4451 with design code 770 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-ee0232e4dce5]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1985

Related Models

• Seiko 7139-373
• Seiko 5258-152
• Seiko 7093-757
• Seiko 5619-570
• Seiko 6678-456
• Seiko 4573-363
• Seiko 4584-739
• Seiko 5665-393
• Seiko 4537-449
• Seiko 5221-319
• Seiko 4564-166
• Seiko 4477-167