Seiko Cal. 5673 - 740

The Seiko 5673-740 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-e7546267f495]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1985

Related Models

• Seiko 5672-416
• Seiko 6341-846
• Seiko 5680-168
• Seiko 7058-647
• Seiko 5619-684
• Seiko 5219-950
• Seiko 7071-600
• Seiko 4482-690
• Seiko 7136-292
• Seiko 6632-316
• Seiko 3896-229
• Seiko 4431-534