Seiko Cal. 5240 - 278

Seiko 5240-278

The 5240-278 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-d6f4356682cc]

Also known as: Shogun, Golden Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
White
Jewels
32j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1973

Related Models

seikata-wm-d6f4356682cc