Seiko Cal. 5231 - 698

This Automatic model from 1999 features a 46mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-657bc36cca2a]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1999

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