Seiko Cal. 3870 - 564

The 3870-564 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3870 caliber with 23j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-6b59d7da41b5]

Also known as: Panda, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1975

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