Seiko Cal. 4415 - 856

Released in 1968, the Cal. 4415 with design code 856 was part of Seiko's domestic market collection. Powered by the 4415 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-f94b187ac5ad]

Also known as: UFO, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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