Seiko Cal. 6660 - 384

This Hand-Winding model from 1984 features a 35mm Titanium case. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-09926d6aae81]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

Related Models

• Seiko 3822-440
• Seiko 6344-868
• Seiko 6321-720
• Seiko 5279-498
• Seiko 4494-353
• Seiko 6655-711
• Seiko 4467-161
• Seiko 6317-632
• Seiko 4413-118
• Seiko 0777-214
• Seiko 0770-280
• Seiko 4415-641