Seiko Cal. 6331 - 698

This Spring Drive model from 1990 features a 45mm Titanium case. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-fe1a7d87d8d7]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1990

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