Seiko Cal. 5257 - 771

Released in 1981, the Cal. 5257 with design code 771 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-292658829c43]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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