Seiko Cal. 5623 - 740

Released in 1987, the Cal. 5623 with design code 740 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-50eff6fc159b]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

Related Models

• Seiko 4433-945
• Seiko 4579-667
• Seiko 5669-528
• Seiko 3812-476
• Seiko 0790-464
• Seiko 7134-875
• Seiko 5636-690
• Seiko 5658-782
• Seiko 5669-886
• Seiko 6323-912
• Seiko 7056-401
• Seiko 5261-745