Seiko Cal. 5645 - 663

The 5645-663 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-d847b59ac6cf]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1996

Related Models

• Seiko 5258-203
• Seiko 0780-392
• Seiko 6267-287
• Seiko 4458-631
• Seiko 4497-350
• Seiko 6344-857
• Seiko 5213-912
• Seiko 4486-857
• Seiko 4453-977
• Seiko 7184-941
• Seiko 6645-628
• Seiko 6339-769