Seiko Cal. 4576 - 971

The 4576-971 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4576 caliber with 20j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-d63faf19266a]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

Related Models

• Seiko 7034-450
• Seiko 6239-958
• Seiko 7126-399
• Seiko 4575-292
• Seiko 4580-110
• Seiko 6633-221
• Seiko 3850-443
• Seiko 5669-317
• Seiko 4585-358
• Seiko 6345-454
• Seiko 7026-666
• Seiko 5650-414