Seiko Cal. 4491 - 585

Released in 1976, the Cal. 4491 with design code 585 was part of Seiko's domestic market collection. Powered by the 4491 caliber with 29j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-1e4c6fa64ed4]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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