Seiko Cal. 5231 - 240

The Seiko 5231-240 represents an important milestone in Seiko's 1992 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-242f67e366a7]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1992

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