Seiko Cal. 6231 - 987

The Seiko 6231-987 represents an important milestone in Seiko's 1993 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-4d3f2145f61a]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1993

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