Seiko Cal. 4489 - 312

This Spring Drive model from 1997 features a 38mm Hardlex-Coated Steel case. Powered by the 4489 caliber with 21j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-3406c1e0ad5b]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1997

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