Seiko Cal. 6687 - 717

This Solar model from 1978 features a 39mm Titanium case. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-c1d9c0022005]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

Related Models

• Seiko 7053-614
• Seiko 6689-114
• Seiko 0733-603
• Seiko 4479-866
• Seiko 3815-156
• Seiko 4588-477
• Seiko 4598-953
• Seiko 7183-924
• Seiko 5677-621
• Seiko 6363-229
• Seiko 7017-424
• Seiko 3869-264