Seiko Cal. 5257 - 356

The Seiko 5257-356 represents an important milestone in Seiko's 1983 lineup. Powered by the 5257 caliber with 21j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-df347de9dad0]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1983

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