Seiko Cal. 5663 - 855

The 5663-855 is a sought-after Solar piece from Seiko's golden era. Powered by the 5663 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-9f0086f8aa96]

Also known as: UFO, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1985

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