Seiko Cal. 6677 - 840

The 6677-840 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6677 caliber with 17j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-8dae5f23932e]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

Related Models

• Seiko 6389-821
• Seiko 7056-129
• Seiko 6138-180
• Seiko 4413-699
• Seiko 7172-645
• Seiko 0746-594
• Seiko 6388-133
• Seiko 6190-510
• Seiko 4549-478
• Seiko 4471-260
• Seiko 6180-305
• Seiko 7134-678