Seiko Cal. 6333 - 678

This Spring Drive model from 1970 features a 45mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-22c5ddfaee5e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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