Seiko Cal. 6140 - 831

The 6140-831 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-794334a6a377]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1997

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