Seiko Cal. 5257 - 962

Released in 1977, the Cal. 5257 with design code 962 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-92c8cd42df7f]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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