Seiko Cal. 4523 - 647

This Spring Drive model from 1982 features a 39mm Two-Tone case. Powered by the 4523 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-ff582b2e3e01]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1982

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