Seiko Cal. 6636 - 545

The Seiko 6636-545 represents an important milestone in Seiko's 1983 lineup. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-4949e1ad0973]

Also known as: Goldfeather, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1983

Related Models

• Seiko 5212-177
• Seiko 3831-328
• Seiko 7134-150
• Seiko 5227-906
• Seiko 7015-754
• Seiko 6127-429
• Seiko 7188-824
• Seiko 5223-150
• Seiko 4477-600
• Seiko 6612-167
• Seiko 7165-803
• Seiko 6128-613