Seiko Cal. 5257 - 442

This Spring Drive model from 1999 features a 35mm Titanium case. Powered by the 5257 caliber with 34j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-ebec4a429fe6]

Also known as: UFO, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1999

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