Seiko Cal. 6660 - 636

This Hand-Winding model from 1995 features a 42mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-3b6b9577e0e3]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1995

Related Models

• Seiko 4416-945
• Seiko 6219-612
• Seiko 7045-688
• Seiko 6188-585
• Seiko 7035-553
• Seiko 4437-690
• Seiko 3822-617
• Seiko 3861-298
• Seiko 6363-324
• Seiko 6383-668
• Seiko 6327-715
• Seiko 7077-885