Seiko Cal. 4540 - 859

The 4540-859 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4540 caliber with 17j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-46d4081fd81c]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1995

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