Seiko Cal. 4491 - 632

This Spring Drive model from 1999 features a 38mm Stainless Steel case. Powered by the 4491 caliber with 23j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-fdf675982c20]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1999

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