Seiko Cal. 6257 - 366

The 6257-366 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6257 caliber with 26j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-b4d070dbe188]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1999

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