Seiko Cal. 6250 - 257

The 6250-257 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6250 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-b0dc18ac05c4]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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