Seiko Cal. 4557 - 428

The 4557-428 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4557 caliber with 31j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-6a47e40bd0ad]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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