Seiko Cal. 3840 - 768

Seiko 3840-768

This Spring Drive model from 1978 features a 34mm Gold-Plated case. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-2cc21305e8ed]

Also known as: World Timer, Navigator

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1978

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seikata-wm-2cc21305e8ed