Seiko Cal. 6660 - 905

This Hand-Winding model from 1998 features a 46mm PVD Black case. Powered by the 6660 caliber with 23j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-7eb47958eb02]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1998

Related Models

• Seiko 6210-825
• Seiko 7137-955
• Seiko 5211-531
• Seiko 7168-161
• Seiko 5679-306
• Seiko 4567-475
• Seiko 7165-812
• Seiko 6129-597
• Seiko 4561-124
• Seiko 0774-617
• Seiko 6327-289
• Seiko 6214-519