Seiko Cal. 6257 - 960

The Seiko 6257-960 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-ae2ca4f7880a]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1965

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