Seiko Cal. 5278 - 636

Seiko 5278-636

This Hand-Winding model from 1978 features a 45mm Two-Tone case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a294d2cd5016]

Also known as: Shogun, Helmet

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
45mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Champagne
Jewels
31j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1978

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seikata-wm-a294d2cd5016