Seiko Cal. 6257 - 610

This Quartz model from 1976 features a 34mm Stainless Steel case. Powered by the 6257 caliber with 20j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-9de9c9aa3ae4]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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