Seiko Cal. 5666 - 503

The 5666-503 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-880e1941e218]

Also known as: Rally, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

Related Models

• Seiko 5664-909
• Seiko 6261-712
• Seiko 7037-305
• Seiko 7110-683
• Seiko 4486-664
• Seiko 5286-931
• Seiko 6135-911
• Seiko 5285-463
• Seiko 6172-379
• Seiko 4573-493
• Seiko 6318-638
• Seiko 4577-865