Seiko Cal. 6331 - 304

The 6331-304 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-9ea99222cc5c]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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