Seiko Cal. 5220 - 257

The 5220-257 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-f70b45c00246]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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