Seiko Cal. 5257 - 445

The 5257-445 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5257 caliber with 18j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-43af0ce0353f]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1982

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