Seiko Cal. 0740 - 439

Released in 1986, the Cal. 0740 with design code 439 was part of Seiko's domestic market collection. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-b426bd03cdad]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

Related Models

• Seiko 6615-719
• Seiko 4449-577
• Seiko 4452-147
• Seiko 7048-267
• Seiko 6397-869
• Seiko 6338-772
• Seiko 5650-162
• Seiko 5636-959
• Seiko 0754-417
• Seiko 6358-728
• Seiko 6329-585
• Seiko 0744-997