Seiko Cal. 5665 - 351

This Quartz model from 1999 features a 39mm Titanium case. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-800fc7d4bdbe]

Also known as: Monster, Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1999

Related Models

• Seiko 6252-249
• Seiko 4434-201
• Seiko 4554-993
• Seiko 7139-259
• Seiko 6670-860
• Seiko 6189-466
• Seiko 7191-201
• Seiko 6640-182
• Seiko 4573-956
• Seiko 6648-830
• Seiko 6213-139
• Seiko 6184-322