Seiko Cal. 5278 - 738

Seiko 5278-738

The Seiko 5278-738 represents an important milestone in Seiko's 1994 lineup. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-9a5571057534]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
28j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1994

Related Models

seikata-wm-9a5571057534