Seiko Cal. 5639 - 787

This Spring Drive model from 1966 features a 34mm Titanium case. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-329de0beb986]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1966

Related Models

• Seiko 5219-797
• Seiko 6676-533
• Seiko 4458-763
• Seiko 3844-346
• Seiko 4465-377
• Seiko 7083-944
• Seiko 5654-741
• Seiko 6651-898
• Seiko 6623-264
• Seiko 4494-813
• Seiko 6247-379
• Seiko 6167-142