Seiko Cal. 6687 - 415

The 6687-415 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6687 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-511e2f905db5]

Also known as: Turtle, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1973

Related Models

• Seiko 6351-858
• Seiko 6227-135
• Seiko 7083-589
• Seiko 4588-830
• Seiko 7192-111
• Seiko 3889-332
• Seiko 0743-133
• Seiko 6180-119
• Seiko 0777-736
• Seiko 6392-365
• Seiko 6674-265
• Seiko 6666-323