Seiko Cal. 6684 - 935

This Quartz model from 1977 features a 40mm Gold-Plated case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-76ff1ca356ab]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

Related Models

• Seiko 4524-498
• Seiko 6250-783
• Seiko 4499-849
• Seiko 4534-128
• Seiko 6348-530
• Seiko 7168-154
• Seiko 5289-776
• Seiko 5297-787
• Seiko 5267-527
• Seiko 0767-989
• Seiko 7046-730
• Seiko 5694-863