Seiko Cal. 6278 - 939

Seiko 6278-939

This Hand-Winding model from 1965 features a 37mm Gold-Plated case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-79b3088ebf23]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1965

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