Seiko Cal. 6331 - 108

The Seiko 6331-108 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-dad6cbecbe64]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

Related Models

• Seiko 6246-494
• Seiko 6116-142
• Seiko 6169-228
• Seiko 7065-400
• Seiko 4530-258
• Seiko 0712-513
• Seiko 5285-524
• Seiko 6388-852
• Seiko 7172-219
• Seiko 3898-747
• Seiko 6275-759
• Seiko 4538-144