Seiko Cal. 5257 - 420

Released in 1983, the Cal. 5257 with design code 420 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-fc9ea75d92d7]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1983

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