Seiko Cal. 6623 - 631

The 6623-631 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-32ddd7ecea89]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

Related Models

• Seiko 4426-710
• Seiko 4556-229
• Seiko 4562-840
• Seiko 3887-345
• Seiko 5659-524
• Seiko 4449-349
• Seiko 0764-268
• Seiko 5285-289
• Seiko 3833-502
• Seiko 7069-792
• Seiko 4419-568
• Seiko 3891-455