Seiko Cal. 5231 - 516

The 5231-516 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-ac4f78a915cf]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1989

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