Seiko Cal. 5643 - 955

The 5643-955 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-37060a80be0d]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

Related Models

• Seiko 6189-869
• Seiko 5665-174
• Seiko 6242-224
• Seiko 7161-101
• Seiko 3832-972
• Seiko 6117-120
• Seiko 7047-915
• Seiko 6183-768
• Seiko 6178-277
• Seiko 6699-254
• Seiko 4578-235
• Seiko 6618-372