Seiko Cal. 6623 - 642

This Quartz model from 1973 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b1bf504db504]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

Related Models

• Seiko 4471-256
• Seiko 3864-658
• Seiko 7113-484
• Seiko 0743-964
• Seiko 7189-444
• Seiko 6139-269
• Seiko 4422-142
• Seiko 5240-514
• Seiko 5272-252
• Seiko 6239-854
• Seiko 6148-677
• Seiko 6374-610