Seiko Cal. 4540 - 174

The 4540-174 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4540 caliber with 30j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-34fcfb28fe13]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1990

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