Seiko Cal. 5278 - 631

Seiko 5278-631

This Hand-Winding model from 1966 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3ad0024e5d76]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
11.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Champagne
Jewels
32j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1966

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seikata-wm-3ad0024e5d76