Seiko Cal. 6663 - 400

The Seiko 6663-400 represents an important milestone in Seiko's 1985 lineup. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-3209582f865b]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

Related Models

• Seiko 5656-617
• Seiko 6376-374
• Seiko 6258-825
• Seiko 6360-297
• Seiko 6127-846
• Seiko 0779-567
• Seiko 6690-842
• Seiko 6210-957
• Seiko 7093-490
• Seiko 7058-303
• Seiko 3886-722
• Seiko 4483-565