Seiko Cal. 4581 - 997

Released in 1966, the Cal. 4581 with design code 997 was part of Seiko's domestic market collection. Powered by the 4581 caliber with 22j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-0bf23a35bb2d]

Also known as: Panda, UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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