Seiko Cal. 5231 - 667

Released in 1997, the Cal. 5231 with design code 667 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-2f36314d0ad8]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1997

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