Seiko Cal. 0717 - 740

Seiko 0717-740

This Spring Drive model from 1977 features a 40mm Two-Tone case. With its 22mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-baa4f79842ac]

Also known as: World Timer

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1977

Related Models

seikata-wm-baa4f79842ac