Seiko Cal. 6331 - 208

The Seiko 6331-208 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-3aee18d75539]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

Related Models

• Seiko 4460-978
• Seiko 6278-650
• Seiko 6226-537
• Seiko 7085-777
• Seiko 5615-719
• Seiko 4473-124
• Seiko 7091-779
• Seiko 7165-229
• Seiko 0739-202
• Seiko 6129-186
• Seiko 7066-410
• Seiko 6267-804