Seiko Cal. 6391 - 540

The 6391-540 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c95eedce1b88]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

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