Seiko Cal. 4489 - 635

The 4489-635 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4489 caliber with 21j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-38fac452a222]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1999

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