Seiko Cal. 6310 - 171

This Quartz model from 1968 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f0a9181cc0ce]

Also known as: Monster, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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