Seiko Cal. 5231 - 674

The 5231-674 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-2948ea7f8cd4]

Also known as: Sumo, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1990

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