Seiko Cal. 6673 - 231

Released in 1974, the Cal. 6673 with design code 231 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-37bf8dd1230f]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1974

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