Seiko Cal. 4540 - 341

The 4540-341 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4540 caliber with 32j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-9cc772278982]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1988

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