Seiko Cal. 5623 - 740

The Seiko 5623-740 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-fe0ce076108d]

Also known as: Bellmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1985

Related Models

• Seiko 6144-611
• Seiko 4556-161
• Seiko 4593-473
• Seiko 3855-727
• Seiko 7164-530
• Seiko 7043-639
• Seiko 4565-188
• Seiko 4493-266
• Seiko 6283-898
• Seiko 3879-373
• Seiko 0781-222
• Seiko 5250-359