Seiko Cal. 4543 - 181

The Seiko 4543-181 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-d8fe78cdcf98]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1978

Related Models

• Seiko 6636-883
• Seiko 6299-849
• Seiko 5644-896
• Seiko 0767-960
• Seiko 7063-496
• Seiko 0769-587
• Seiko 6185-867
• Seiko 0710-150
• Seiko 5298-110
• Seiko 7088-363
• Seiko 5258-290
• Seiko 0729-276