Seiko Cal. 6633 - 900

The 6633-900 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-5061f0eb8be3]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1990

Related Models

• Seiko 6310-947
• Seiko 5266-868
• Seiko 6387-656
• Seiko 6679-121
• Seiko 5227-947
• Seiko 6219-695
• Seiko 7151-483
• Seiko 6233-927
• Seiko 0713-200
• Seiko 7016-123
• Seiko 6142-871
• Seiko 4478-844