Seiko Cal. 4540 - 489

The 4540-489 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4540 caliber with 22j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-746e2ff7e091]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1992

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