Seiko Cal. 4557 - 105

The 4557-105 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4557 caliber with 34j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-fcbde52f1aa5]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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