Seiko Cal. 6231 - 747

The 6231-747 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-f771765c8dc0]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1990

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