Seiko Cal. 6140 - 731

The 6140-731 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fc35f3692ed0]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1986

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