Seiko Cal. 5663 - 805

The 5663-805 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5663 caliber with 24j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-0269d0176e5f]

Also known as: Bullhead, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1997

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