Seiko Cal. 4540 - 173

The 4540-173 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4540 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-4b24974d685c]

Also known as: Shogun, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1966

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