Seiko Cal. 5257 - 879

The Seiko 5257-879 represents an important milestone in Seiko's 1967 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-6d831e719428]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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