Seiko Cal. 4476 - 587

This Spring Drive model from 1978 features a 37mm Stainless Steel case. Powered by the 4476 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-a4f4409aa33c]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

Related Models

• Seiko 0730-801
• Seiko 6373-943
• Seiko 5685-127
• Seiko 6288-478
• Seiko 7054-778
• Seiko 5678-208
• Seiko 3875-400
• Seiko 6373-314
• Seiko 7037-956
• Seiko 5655-272
• Seiko 5651-449
• Seiko 6327-760