Seiko Cal. 0731 - 419

Released in 1978, the Cal. 0731 with design code 419 was part of Seiko's domestic market collection. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-383baa93ddc6]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

Related Models

• Seiko 6365-936
• Seiko 3821-222
• Seiko 7167-871
• Seiko 5229-217
• Seiko 6199-456
• Seiko 6625-797
• Seiko 4416-347
• Seiko 7164-370
• Seiko 6320-528
• Seiko 6641-849
• Seiko 7154-294
• Seiko 6646-745