Seiko Cal. 5257 - 365

Released in 1999, the Cal. 5257 with design code 365 was part of Seiko's domestic market collection. Powered by the 5257 caliber with 20j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-5cd52fcf1759]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1999

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