Seiko Cal. 5231 - 993

Released in 1990, the Cal. 5231 with design code 993 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-cd41ea3fe09a]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1990

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