Seiko Cal. 6346 - 663

This Spring Drive model from 1972 features a 37mm Gold-Plated case. With its 20mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-755d9109bdb6]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

Related Models

• Seiko 5615-976
• Seiko 4584-871
• Seiko 4517-754
• Seiko 7139-802
• Seiko 3875-614
• Seiko 4471-335
• Seiko 5219-527
• Seiko 6316-369
• Seiko 6279-742
• Seiko 6145-240
• Seiko 4568-524
• Seiko 6624-233