Seiko Cal. 4450 - 780

The Seiko 4450-780 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-5afb6ae99ead]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

Related Models

• Seiko 6351-327
• Seiko 6361-764
• Seiko 6312-907
• Seiko 4441-211
• Seiko 6129-766
• Seiko 0793-444
• Seiko 4453-294
• Seiko 5652-909
• Seiko 7139-822
• Seiko 5225-310
• Seiko 5628-904
• Seiko 7093-851