Seiko Cal. 6647 - 814

This Quartz model from 1977 features a 41mm Two-Tone case. Powered by the 6647 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-58ededa07c6e]

Also known as: Turtle, Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

Related Models

• Seiko 7053-595
• Seiko 3877-741
• Seiko 6196-312
• Seiko 0786-599
• Seiko 6186-731
• Seiko 7068-802
• Seiko 6610-976
• Seiko 4461-303
• Seiko 6191-380
• Seiko 4486-458
• Seiko 5233-226
• Seiko 6374-502