Seiko Cal. 6687 - 517

This Quartz model from 1968 features a 44mm Titanium case. Powered by the 6687 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-1f1eeab99b82]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

Related Models

• Seiko 5676-185
• Seiko 6166-946
• Seiko 4597-379
• Seiko 7051-711
• Seiko 6675-373
• Seiko 3899-249
• Seiko 6269-691
• Seiko 6387-888
• Seiko 3886-190
• Seiko 3879-715
• Seiko 6137-805
• Seiko 0782-240