Seiko Cal. 6310 - 657

The Seiko 6310-657 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-1c98e9dfdc1f]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1980

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