Seiko Cal. 6668 - 743

The Seiko 6668-743 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-36f6c619d02c]

Also known as: Monster, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

Related Models

• Seiko 5610-249
• Seiko 6164-558
• Seiko 6161-836
• Seiko 7160-428
• Seiko 6347-647
• Seiko 4416-441
• Seiko 6343-271
• Seiko 0740-754
• Seiko 6399-380
• Seiko 0763-569
• Seiko 5637-543
• Seiko 3879-114