Seiko Cal. 6691 - 694

The Seiko 6691-694 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-b61128220805]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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