Seiko Cal. 6331 - 236

The Seiko 6331-236 represents an important milestone in Seiko's 1982 lineup. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-7b39b6785800]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

Related Models

• Seiko 5655-887
• Seiko 4583-336
• Seiko 6347-494
• Seiko 0799-208
• Seiko 6347-168
• Seiko 3846-917
• Seiko 3850-891
• Seiko 5222-460
• Seiko 4555-817
• Seiko 5211-814
• Seiko 7161-267
• Seiko 4432-474