Seiko Cal. 6660 - 327

The Seiko 6660-327 represents an important milestone in Seiko's 1988 lineup. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-60ab097a9e0b]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1988

Related Models

• Seiko 6629-180
• Seiko 5638-114
• Seiko 7064-531
• Seiko 6693-561
• Seiko 7095-944
• Seiko 6149-222
• Seiko 5625-262
• Seiko 7050-263
• Seiko 7185-776
• Seiko 5626-315
• Seiko 3895-134
• Seiko 0719-210