Seiko Cal. 4543 - 749

The Seiko 4543-749 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a1ee137a0435]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

Related Models

• Seiko 5287-928
• Seiko 6646-926
• Seiko 5615-376
• Seiko 4532-534
• Seiko 0743-176
• Seiko 6392-180
• Seiko 4560-598
• Seiko 4596-101
• Seiko 6396-200
• Seiko 5668-701
• Seiko 6178-802
• Seiko 5617-893