Seiko Cal. 5257 - 263

The 5257-263 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5257 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-5fe6800e2f9b]

Also known as: Turtle, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1994

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