Seiko Cal. 5643 - 866

The 5643-866 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-36a13ad2158d]

Also known as: Samurai, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

Related Models

• Seiko 0778-323
• Seiko 5259-535
• Seiko 7183-930
• Seiko 6175-258
• Seiko 6688-743
• Seiko 7173-161
• Seiko 6676-963
• Seiko 6355-988
• Seiko 6379-315
• Seiko 4414-777
• Seiko 6617-211
• Seiko 3863-247