Seiko Cal. 6633 - 934

The Seiko 6633-934 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-67b5e68c3095]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1977

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