Seiko Cal. 6636 - 917

The Seiko 6636-917 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-a9c6ba944fb4]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

Related Models

• Seiko 3873-742
• Seiko 0767-934
• Seiko 7115-834
• Seiko 6328-678
• Seiko 5258-324
• Seiko 4497-185
• Seiko 6126-114
• Seiko 5624-958
• Seiko 3847-678
• Seiko 7151-880
• Seiko 4458-820
• Seiko 5640-132