Seiko Cal. 6681 - 331

This Quartz model from 1967 features a 35mm Two-Tone case. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-ebe05103c2aa]

Also known as: UFO, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

Related Models

• Seiko 6118-868
• Seiko 6152-385
• Seiko 4521-212
• Seiko 7113-217
• Seiko 4523-401
• Seiko 6292-665
• Seiko 4487-865
• Seiko 4559-378
• Seiko 6256-429
• Seiko 3832-871
• Seiko 5672-161
• Seiko 6232-155