Seiko Cal. 6636 - 947

The Seiko 6636-947 represents an important milestone in Seiko's 1995 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-65244aa9416d]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1995

Related Models

• Seiko 0769-685
• Seiko 3853-870
• Seiko 4413-690
• Seiko 6190-212
• Seiko 6349-674
• Seiko 6373-689
• Seiko 0741-669
• Seiko 6673-273
• Seiko 6284-224
• Seiko 6686-946
• Seiko 6316-350
• Seiko 5256-911