Seiko Cal. 6173 - 990

The Seiko 6173-990 represents an important milestone in Seiko's 1986 lineup. Powered by the 6173 caliber with 18j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-e5ffd6fff307]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1986

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