Seiko Cal. 4457 - 624

The 4457-624 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4457 caliber with 31j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-e3a39f978137]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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